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| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
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| Common Stock Value | 0.36 | 0.34 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | NA | 0.28 | NA | NA | |
| Weighted Average Number Of Diluted Shares Outstanding | 34.82 | NA | 36.85 | 36.71 | 36.74 | NA | 33.27 | 30.81 | 30.79 | NA | 30.61 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 29.31 | 29.06 | 28.92 | NA | 28.84 | 28.76 | 28.75 | NA | 28.76 | 28.68 | 0.03 | NA | 0.03 | 0.03 | 0.03 | NA | 0.03 | 0.03 | |
| Weighted Average Number Of Shares Outstanding Basic | 34.82 | NA | 33.14 | 33.14 | 32.98 | NA | 32.98 | 30.81 | 30.79 | NA | 30.61 | 30.61 | 30.61 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 28.77 | 28.77 | 28.76 | NA | 28.61 | 28.60 | 28.53 | NA | 28.32 | 28.31 | 0.03 | NA | 0.03 | 0.03 | 0.03 | NA | 0.03 | 0.03 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue From Contract With Customer Excluding Assessed Tax | 109.67 | 119.18 | 165.77 | 161.19 | 188.33 | 157.26 | 83.56 | 64.16 | 57.01 | 64.39 | 79.04 | 54.60 | 45.88 | 64.92 | 64.75 | 50.47 | 62.54 | 78.74 | 83.10 | 72.31 | 89.31 | 90.79 | 79.06 | 57.24 | 66.86 | 69.30 | 73.90 | 64.31 | 63.55 | 71.23 | 65.77 | 68.56 | 75.89 | 64.85 | 82.01 | 95.25 | 98.00 | 100.62 | 66.32 | 38.46 | 35.77 | 37.81 | 37.66 | 40.74 | 37.66 | 35.08 | 37.11 | 35.17 | 33.96 | 41.20 | 44.63 | 33.66 | 37.86 | 29.09 | 33.18 | 31.68 | |
| Revenues | 109.67 | 119.18 | 165.77 | 161.19 | 188.33 | 152.07 | 85.08 | 65.93 | 58.91 | 65.51 | 79.82 | 55.64 | 46.70 | 65.55 | 65.13 | 52.08 | 62.48 | 78.74 | 83.10 | 72.31 | 89.31 | 89.73 | 79.72 | 57.24 | 66.86 | 69.30 | 74.47 | 64.31 | 63.55 | 71.23 | 65.77 | 68.56 | 75.89 | 64.85 | 82.01 | 95.25 | 98.00 | 100.62 | 66.32 | 38.46 | 35.77 | 37.81 | 37.66 | 40.74 | 37.66 | 35.08 | 37.11 | 35.17 | 33.96 | 41.20 | 44.63 | 33.66 | 37.86 | 29.09 | 33.18 | 31.68 | |
| Cost Of Goods And Services Sold | 85.08 | 105.41 | 119.04 | 115.42 | 133.52 | 96.06 | 64.56 | 51.39 | 54.60 | 54.58 | 67.79 | 42.46 | 34.01 | 54.75 | 46.57 | 36.16 | 48.47 | 60.08 | 71.36 | 54.00 | 62.42 | 69.62 | 60.23 | 38.87 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating Expenses | 2.73 | -10.27 | 23.80 | 22.24 | 29.23 | 34.53 | 5.39 | -0.82 | -8.68 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Costs And Expenses | 106.94 | 129.45 | 141.97 | 138.95 | 159.10 | 117.54 | 79.69 | 66.75 | 67.58 | 68.89 | 81.18 | 56.09 | 47.56 | 69.69 | 63.67 | 52.45 | 68.37 | 157.56 | 90.29 | 75.46 | 82.35 | 90.66 | 77.40 | 57.39 | 64.57 | 68.13 | 70.54 | 63.59 | 55.49 | 81.97 | 60.68 | 62.33 | 67.98 | 63.40 | 76.20 | 85.94 | 87.00 | 90.92 | 73.53 | 34.95 | 31.07 | 31.67 | 31.16 | 29.48 | 30.74 | 28.70 | 27.84 | 25.52 | 24.78 | 27.78 | 25.11 | 23.43 | 24.29 | 21.66 | 23.32 | 23.71 | |
| Selling General And Administrative Expense | 5.94 | 7.56 | 6.05 | 5.59 | 6.95 | 5.98 | 3.57 | 3.72 | 3.15 | 5.56 | 3.07 | 3.38 | 2.82 | 2.81 | 3.13 | 2.68 | 2.98 | 3.46 | 2.93 | 3.48 | 2.98 | 2.96 | 2.52 | 2.47 | 3.89 | 2.88 | 2.86 | 6.58 | 2.66 | 2.44 | 2.58 | 2.73 | 2.76 | 3.19 | 3.00 | 3.08 | 3.34 | 4.82 | 2.51 | 2.74 | 1.97 | 2.08 | 1.94 | 1.67 | 1.98 | 1.93 | 1.95 | 1.80 | 1.85 | 1.76 | 1.76 | 1.79 | 1.74 | 1.63 | 1.33 | 1.46 | |
| Operating Income Loss | 2.73 | -10.27 | 23.80 | 22.24 | 29.23 | 34.53 | 5.39 | -0.82 | -8.68 | -3.38 | -1.35 | -0.45 | -0.86 | -1.87 | 3.91 | 1.24 | -0.18 | NA | NA | NA | NA | NA | NA | NA | NA | 3.92 | 7.16 | 4.07 | 11.15 | 8.24 | 7.95 | 10.99 | 13.74 | 3.55 | 10.99 | 12.63 | 16.46 | 15.21 | 3.53 | 3.91 | 5.17 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Interest Expense | 3.94 | 3.24 | 3.03 | 3.54 | 3.90 | 3.54 | 3.35 | 2.34 | 1.78 | 1.86 | 2.11 | 2.18 | 1.90 | 2.15 | 2.33 | 2.83 | 5.71 | 2.45 | 3.56 | 5.37 | 4.62 | 6.00 | 3.26 | 4.32 | 2.71 | 2.75 | 3.23 | 3.34 | 3.09 | 2.41 | 2.86 | 4.75 | 5.84 | 2.10 | 5.18 | 3.32 | 5.46 | 6.37 | 1.82 | 0.40 | 0.47 | 0.42 | 0.31 | 0.45 | 0.38 | 0.34 | 0.23 | 0.26 | 0.27 | 0.28 | 0.30 | 0.34 | 0.36 | 0.40 | 0.48 | 0.49 | |
| Interest Expense Debt | 2.81 | 2.32 | 2.01 | 2.06 | 2.25 | 2.01 | 2.13 | 1.71 | 1.71 | 1.90 | 2.17 | 2.31 | 2.13 | 2.45 | 2.71 | 2.84 | 2.65 | 2.77 | 2.80 | 2.93 | 3.01 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Interest Paid Net | 3.08 | 1.90 | 3.06 | 1.89 | 3.12 | 3.33 | 0.74 | 2.01 | 2.04 | 1.99 | 2.28 | 2.30 | 2.15 | 2.54 | 2.67 | 2.86 | 2.71 | 2.74 | 2.81 | 3.03 | 3.06 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Gains Losses On Extinguishment Of Debt | -0.85 | 0.00 | -1.49 | NA | NA | NA | NA | NA | NA | 0.00 | 10.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 4.30 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Allocated Share Based Compensation Expense | 0.70 | 0.80 | 0.80 | 0.80 | 1.20 | 1.10 | 0.10 | 0.10 | 0.10 | 0.20 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.40 | 0.40 | 0.50 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Income Tax Expense Benefit | -0.61 | -3.49 | 3.03 | 1.57 | 3.35 | 0.92 | 0.60 | 0.42 | -0.18 | 2.72 | -1.36 | 0.40 | -1.73 | 0.60 | -0.46 | -0.62 | -2.18 | -19.03 | -3.47 | 0.19 | -0.04 | -3.53 | -0.59 | -0.12 | 0.17 | -20.19 | 0.01 | 0.33 | 0.65 | -6.91 | 0.76 | 0.38 | 1.74 | 0.91 | 0.67 | 2.46 | 3.41 | 0.30 | -1.44 | 0.44 | 1.18 | 1.45 | 1.67 | 3.09 | 1.45 | 1.38 | 3.08 | 3.19 | 3.02 | 4.90 | 6.96 | 3.77 | 5.29 | 3.16 | 3.36 | 3.19 | |
| Profit Loss | -1.70 | -10.25 | 16.07 | 16.91 | 22.05 | 30.01 | 1.61 | -3.39 | -10.13 | -7.74 | 7.99 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Net Income Loss | -1.70 | -10.25 | 16.07 | 16.91 | 22.05 | 30.01 | 1.61 | -3.39 | -10.13 | -7.74 | 7.99 | -2.96 | -1.03 | -4.74 | 1.92 | 0.25 | -3.66 | -59.79 | -3.72 | -3.34 | 7.00 | 2.60 | 2.91 | -0.02 | 2.13 | 21.36 | 3.92 | 0.39 | 7.41 | -3.83 | 4.32 | 5.85 | 6.16 | 0.54 | 5.14 | 6.85 | 7.59 | 9.39 | -5.77 | 3.07 | 3.53 | 4.69 | 4.83 | 8.16 | 5.47 | 5.01 | 6.19 | 6.46 | 6.15 | 8.52 | 12.56 | 6.46 | 8.28 | 4.27 | 6.50 | 4.78 |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Assets | 585.42 | 589.78 | 585.19 | 599.89 | 616.63 | 630.55 | 383.36 | 375.74 | 357.88 | 353.98 | 363.08 | 377.83 | 384.21 | 384.13 | 400.21 | 411.66 | 415.69 | 425.63 | 508.81 | 512.89 | 507.17 | 515.50 | 526.04 | 523.42 | 518.83 | 518.19 | 518.98 | 527.92 | 532.65 | 528.51 | 540.08 | 544.02 | 547.59 | 545.49 | 563.40 | 575.63 | 576.54 | 579.59 | 610.96 | 264.47 | 263.03 | 260.41 | 246.62 | 239.64 | 234.63 | 229.21 | 228.61 | 234.64 | 235.42 | 232.43 | 221.57 | 202.47 | NA | 186.66 | NA | NA | |
| Liabilities | 301.56 | 321.19 | 313.50 | 345.01 | 379.44 | 415.53 | 199.39 | 192.91 | 181.72 | 167.75 | 169.00 | 192.00 | 195.70 | 194.87 | 206.49 | 220.15 | 224.74 | 230.10 | 252.30 | 251.84 | 242.04 | 256.62 | 268.65 | 268.10 | 262.64 | 268.87 | 290.00 | 302.50 | 308.73 | 311.62 | 317.86 | 325.69 | 335.14 | 338.67 | 356.05 | 372.86 | 379.53 | 389.71 | 428.07 | 75.48 | 76.86 | 77.08 | 66.92 | 64.33 | 66.38 | 67.20 | 65.31 | 63.95 | 71.79 | 71.44 | 69.70 | 63.65 | NA | 59.93 | NA | NA | |
| Liabilities And Stockholders Equity | 585.42 | 589.78 | 585.19 | 599.89 | 616.63 | 630.55 | 383.36 | 375.74 | 357.88 | 353.98 | 363.08 | 377.83 | 384.21 | 384.13 | 400.21 | 411.66 | 415.69 | 425.63 | 508.81 | 512.89 | 507.17 | 515.50 | 526.04 | 523.42 | 518.83 | 518.19 | 518.98 | 527.92 | 532.65 | 528.51 | 540.08 | 544.02 | 547.59 | 545.49 | 563.40 | 575.63 | 576.54 | 579.59 | 610.96 | 264.47 | 263.03 | 260.41 | 246.62 | 239.64 | 234.63 | 229.21 | 228.61 | 234.64 | 235.42 | 232.43 | 221.57 | 202.47 | NA | 186.66 | NA | NA | |
| Stockholders Equity | 283.86 | 268.59 | 271.69 | 254.88 | 237.19 | 215.02 | 183.97 | 178.82 | 172.16 | 182.24 | 190.08 | 181.83 | 184.51 | 185.26 | 189.72 | 187.51 | 186.95 | 191.53 | 252.51 | 257.05 | 261.13 | 254.87 | 253.38 | 251.32 | 252.19 | 249.32 | 228.98 | 225.41 | 223.93 | 216.89 | 222.22 | 218.33 | 212.45 | 206.82 | 207.35 | 202.77 | 197.01 | 189.88 | 182.89 | 188.99 | 186.17 | 183.33 | 179.70 | 175.31 | 168.25 | NA | 163.30 | 170.69 | 163.63 | NA | 151.87 | NA | NA | 126.73 | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Assets Current | 93.26 | 91.27 | 92.33 | 112.70 | 129.69 | 138.52 | 58.17 | 56.58 | 44.42 | 39.24 | 49.08 | 63.14 | 66.22 | 63.33 | 76.14 | 80.61 | 76.15 | 82.45 | 83.26 | 81.29 | 76.23 | 84.98 | 97.17 | 92.61 | 83.50 | 71.64 | 73.97 | 84.67 | 90.02 | 79.93 | 63.48 | 64.87 | 62.27 | 66.61 | 77.04 | 81.99 | 86.52 | 84.41 | 107.14 | 42.91 | 43.34 | 39.36 | 34.34 | 32.43 | 34.11 | 34.86 | 43.60 | 50.91 | 50.52 | 48.88 | 52.48 | 30.60 | NA | 26.23 | NA | NA | |
| Cash And Cash Equivalents At Carrying Value | 1.64 | 2.84 | 2.57 | 2.34 | 2.44 | 3.01 | 7.00 | 8.88 | 4.29 | 2.55 | 4.55 | 2.58 | 3.86 | 8.04 | 5.30 | 7.38 | 7.92 | 8.80 | 6.36 | 6.41 | 8.69 | 15.50 | 16.90 | 10.19 | 14.45 | 12.48 | 9.41 | 10.08 | 13.76 | 9.79 | 12.82 | 16.22 | 13.75 | 15.93 | 19.50 | 16.49 | 11.80 | 13.47 | 22.02 | 21.02 | 18.28 | 16.23 | 13.71 | 14.84 | 18.40 | 21.89 | 30.21 | 36.26 | 40.58 | 37.54 | 33.55 | 17.53 | 14.96 | 10.28 | 13.38 | 14.55 | |
| Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | 6.37 | 7.12 | 6.72 | 6.37 | 6.35 | 6.43 | 10.48 | 12.37 | 7.58 | 5.83 | 7.79 | 6.08 | 7.63 | 12.07 | 9.54 | 11.88 | 12.65 | 13.31 | 11.09 | 10.98 | 13.35 | 20.09 | 21.41 | 14.42 | 18.56 | 16.29 | 12.84 | 13.40 | 16.85 | 12.61 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Accounts Receivable Net Current | 14.23 | 19.94 | 20.69 | 21.43 | 33.16 | 29.89 | 16.74 | 17.16 | 15.41 | 13.58 | 16.45 | 14.39 | 13.63 | 14.41 | 15.85 | 13.49 | 12.70 | 25.58 | 21.72 | 20.24 | 15.50 | 18.43 | 15.94 | 11.63 | 14.83 | 16.76 | 16.78 | 17.11 | 16.01 | 22.31 | 19.11 | 18.95 | 19.24 | 16.68 | 26.12 | 25.64 | 29.82 | 27.30 | 35.70 | 10.65 | 10.69 | 10.58 | 9.90 | 9.07 | 6.79 | 8.13 | 7.49 | 9.14 | 4.51 | 6.69 | 9.83 | 6.26 | NA | 5.45 | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Property Plant And Equipment Gross | 831.25 | 823.61 | 841.61 | 819.52 | 802.08 | 789.83 | 611.43 | 594.10 | 578.97 | 571.19 | 583.28 | 574.61 | 569.07 | 561.60 | 562.62 | 560.43 | NA | 550.50 | NA | NA | 376.26 | 365.48 | 375.63 | 368.22 | 362.64 | 356.91 | 351.33 | 346.05 | 339.40 | 340.00 | 352.85 | 350.52 | 349.50 | 347.96 | 346.49 | 344.44 | 331.09 | 321.73 | 335.06 | 155.41 | 151.41 | 148.08 | 144.30 | 139.19 | 135.78 | 131.57 | 145.03 | 141.03 | 139.09 | 137.71 | 122.99 | 123.86 | NA | 114.48 | NA | NA | |
| Construction In Progress Gross | 161.67 | 158.64 | 153.24 | 149.75 | 145.20 | 140.11 | 131.82 | 123.27 | 116.20 | 112.58 | 105.86 | 100.91 | 96.97 | 93.64 | 89.23 | 87.54 | 86.17 | 84.16 | 147.35 | 144.64 | 142.22 | 140.99 | 140.03 | 138.47 | 137.68 | 136.76 | 134.54 | 131.94 | 128.81 | 126.04 | 136.68 | 134.54 | 133.62 | 131.03 | 127.75 | 125.59 | 124.99 | 124.44 | 86.39 | 85.81 | 85.46 | 85.33 | 82.00 | 78.10 | 74.98 | 71.05 | 68.52 | 66.98 | 66.83 | 66.61 | 64.11 | 62.76 | NA | 59.35 | NA | NA | |
| Accumulated Depreciation Depletion And Amortization Property Plant And Equipment | 348.78 | 334.97 | 358.94 | 342.73 | 325.86 | 309.37 | 298.12 | 286.96 | 277.55 | 268.37 | 281.04 | 271.49 | 262.52 | 252.25 | 250.13 | 240.96 | 231.37 | 220.78 | 259.12 | 247.41 | 236.44 | 224.73 | 235.89 | 225.23 | 214.19 | 203.39 | 196.81 | 187.16 | 178.12 | 169.58 | 175.98 | 168.09 | 159.09 | 149.96 | 138.95 | 128.36 | 117.81 | 106.61 | 94.52 | 87.61 | 82.47 | 77.55 | 72.42 | 67.68 | 63.04 | 58.48 | 54.35 | 50.20 | 46.26 | 42.49 | 38.52 | 35.17 | NA | 28.43 | NA | NA | |
| Property Plant And Equipment Net | 482.47 | 488.63 | 482.67 | 476.79 | 476.22 | 480.46 | 313.31 | 307.14 | 301.42 | 302.82 | 302.24 | 303.12 | 306.54 | 309.36 | 312.49 | 319.46 | NA | 329.72 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Other Assets Noncurrent | 7.12 | 7.06 | 7.15 | 7.18 | 7.28 | 7.58 | 7.83 | 8.13 | 8.33 | 8.37 | 8.43 | 8.32 | 8.26 | 8.26 | 8.29 | 8.17 | 7.96 | 10.32 | 14.42 | 14.29 | 14.12 | 14.22 | 15.29 | 14.80 | 14.78 | 14.66 | 14.27 | 13.77 | 14.30 | 14.11 | 21.61 | 20.75 | 20.01 | 16.53 | 16.47 | 17.30 | 16.82 | 18.85 | 22.38 | 17.00 | 16.80 | 17.41 | 15.19 | 16.49 | 12.37 | 11.31 | 8.77 | 8.95 | 7.99 | 6.29 | 6.20 | 6.68 | NA | 4.95 | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Liabilities Current | 164.43 | 157.59 | 171.59 | 177.76 | 209.28 | 239.60 | 162.59 | 61.20 | 163.90 | 64.63 | 66.03 | 77.24 | 78.35 | 71.21 | 70.00 | 71.56 | 73.13 | 64.84 | 68.44 | 61.16 | 56.76 | 51.81 | 50.23 | 47.53 | 58.07 | 54.29 | 52.99 | 53.08 | 50.19 | 45.75 | 43.33 | 38.81 | 44.16 | 52.43 | 55.17 | 54.31 | 53.09 | 49.98 | 49.20 | NA | 9.95 | 10.36 | 10.11 | 10.09 | 9.97 | 11.05 | 21.80 | 22.45 | 32.86 | 33.10 | 31.29 | 22.05 | NA | 19.50 | NA | NA | |
| Long Term Debt Current | 24.44 | 24.44 | 21.19 | 17.64 | 32.27 | 33.03 | 110.16 | 13.22 | 116.18 | 23.10 | 26.77 | 30.45 | 34.31 | 34.31 | 34.31 | 34.31 | 36.75 | 34.91 | 33.08 | 31.24 | 29.40 | 27.56 | 25.73 | 23.89 | 35.00 | 35.00 | 35.00 | 35.00 | 32.81 | 30.62 | 26.61 | 24.42 | 24.26 | 26.25 | 26.25 | 26.25 | 24.06 | 21.88 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Accounts Payable And Accrued Liabilities Current | 47.12 | 62.91 | 76.60 | 70.93 | 84.50 | 82.97 | 52.43 | 47.97 | 47.73 | 41.53 | 39.25 | 36.79 | 35.17 | 31.41 | 33.53 | 32.80 | 38.25 | 31.80 | 37.11 | 32.09 | 29.53 | 26.42 | 26.67 | 25.79 | 24.90 | 21.11 | 19.82 | 19.90 | 19.20 | 16.96 | 16.73 | 14.39 | 19.90 | 26.18 | 28.92 | 28.06 | 29.03 | 28.11 | 29.51 | 11.69 | 9.95 | 10.36 | NA | NA | NA | 9.39 | NA | NA | 10.15 | 10.41 | 12.14 | 10.16 | NA | 8.81 | NA | NA | |
| Other Accrued Liabilities Current | 2.08 | 1.63 | 3.72 | 5.21 | 4.75 | 3.55 | NA | NA | NA | 3.42 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Contract With Customer Liability Current | 41.24 | 23.06 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 0.20 | 0.30 | 0.40 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Liabilities Noncurrent | 137.14 | 163.60 | 141.91 | 167.24 | 170.16 | 175.93 | 36.80 | 131.72 | 17.82 | 103.12 | 102.98 | 114.76 | 117.35 | 123.66 | 136.49 | 148.59 | 151.61 | 165.25 | 183.87 | 190.68 | 185.28 | 204.81 | 218.43 | 220.56 | 204.57 | 214.58 | 237.01 | 249.43 | 258.54 | 265.86 | 274.53 | 286.88 | 290.99 | 286.24 | 300.88 | 318.55 | 326.44 | 339.73 | 378.87 | 63.79 | 66.91 | 66.72 | 56.81 | 54.24 | 56.41 | 56.15 | 43.51 | 41.50 | 38.93 | 38.34 | 38.41 | 41.59 | NA | 40.43 | NA | NA | |
| Long Term Debt | 73.78 | 87.89 | 57.67 | 72.34 | 72.34 | 82.74 | 110.16 | 126.83 | 116.18 | 107.77 | 110.30 | 124.83 | 130.54 | 131.62 | 140.20 | 153.77 | 168.05 | 180.15 | 172.00 | 173.10 | 168.45 | 188.46 | NA | 188.46 | 188.46 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Long Term Debt Noncurrent | 49.34 | 63.45 | 36.48 | 54.70 | 40.07 | 49.71 | NA | 113.61 | NA | 84.67 | 83.52 | 94.38 | 96.23 | 97.31 | 105.89 | 119.46 | 131.30 | 145.24 | 138.93 | 141.86 | 139.05 | 160.90 | 174.25 | 176.60 | 155.74 | 166.99 | 175.74 | 190.49 | 199.24 | 207.99 | 209.54 | 223.29 | 229.85 | 223.22 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Secured Long Term Debt | 49.34 | 63.45 | 36.48 | 54.70 | 40.07 | 49.71 | NA | 113.61 | NA | 84.67 | 83.52 | 94.38 | 96.23 | 97.31 | 105.89 | 119.46 | NA | 140.59 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Deferred Finance Costs Noncurrent Net | 1.66 | 2.05 | 2.52 | NA | 0.13 | NA | NA | 0.59 | NA | 1.35 | 2.00 | 2.66 | 3.07 | 3.68 | 4.29 | 4.90 | NA | 4.64 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 5.11 | 5.46 | 5.81 | 6.16 | 6.51 | 6.86 | 1.17 | 1.12 | 1.20 | 1.27 | 1.34 | 1.42 | 1.49 | NA | NA | NA | 0.29 | NA | NA | NA | NA | NA | NA | |
| Deferred Income Tax Liabilities Net | 8.62 | 9.23 | 12.24 | 9.04 | 7.53 | 4.61 | 3.69 | 3.09 | 2.67 | 2.85 | 0.13 | 1.49 | 1.09 | 2.82 | 2.23 | 2.61 | 3.23 | 4.62 | 23.70 | NA | NA | 26.44 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Other Liabilities Noncurrent | 1.87 | 1.79 | 2.40 | 1.55 | 1.40 | 1.26 | 1.72 | 1.58 | 1.48 | 1.58 | 2.11 | 2.01 | 2.36 | 2.84 | 4.06 | 4.70 | 5.26 | 4.35 | 11.16 | 11.22 | 9.53 | 8.13 | 7.18 | 7.13 | 6.71 | 6.58 | 1.92 | 2.81 | 2.65 | 2.49 | 3.31 | 3.66 | 2.90 | 1.75 | 2.11 | 8.33 | 2.88 | 1.60 | 1.84 | 1.45 | 2.30 | 2.13 | 1.93 | 1.58 | 5.72 | 6.29 | 6.31 | 5.69 | 4.34 | 4.96 | 4.34 | 4.34 | NA | 4.34 | NA | NA | |
| Operating Lease Liability Noncurrent | 0.62 | 0.65 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stockholders Equity | 283.86 | 268.59 | 271.69 | 254.88 | 237.19 | 215.02 | 183.97 | 178.82 | 172.16 | 182.24 | 190.08 | 181.83 | 184.51 | 185.26 | 189.72 | 187.51 | 186.95 | 191.53 | 252.51 | 257.05 | 261.13 | 254.87 | 253.38 | 251.32 | 252.19 | 249.32 | 228.98 | 225.41 | 223.93 | 216.89 | 222.22 | 218.33 | 212.45 | 206.82 | 207.35 | 202.77 | 197.01 | 189.88 | 182.89 | 188.99 | 186.17 | 183.33 | 179.70 | 175.31 | 168.25 | NA | 163.30 | 170.69 | 163.63 | NA | 151.87 | NA | NA | 126.73 | NA | NA | |
| Common Stock Value | 0.36 | 0.34 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | NA | 0.28 | NA | NA | |
| Additional Paid In Capital | 144.49 | 127.55 | 120.41 | 119.68 | 118.90 | 118.79 | 117.75 | 114.21 | 104.18 | 104.13 | 104.23 | 103.96 | 103.68 | 103.40 | 103.12 | 102.83 | 102.53 | 102.22 | 102.17 | 101.75 | 101.24 | 100.74 | 100.62 | 100.23 | 99.84 | 97.87 | 97.74 | 96.92 | 94.60 | 93.82 | 94.19 | 93.46 | 92.81 | 92.28 | 92.12 | 91.27 | 91.06 | 90.22 | 90.11 | 89.14 | 88.35 | 87.87 | 87.92 | 87.30 | 87.18 | 86.58 | 88.20 | 87.15 | 86.53 | 85.98 | 85.51 | 84.89 | NA | 84.07 | NA | NA | |
| Retained Earnings Accumulated Deficit | 139.00 | 140.70 | 150.95 | 134.87 | 117.96 | 95.91 | 65.89 | 64.28 | 67.67 | 77.80 | 85.55 | 77.56 | 80.52 | 81.56 | 86.29 | 84.37 | 84.11 | 89.01 | 150.04 | 155.00 | 159.59 | 153.83 | 152.47 | 150.79 | 152.05 | 150.24 | 130.12 | 127.45 | 128.26 | 122.05 | 127.08 | 123.96 | 119.31 | 114.34 | 115.00 | 111.05 | 105.39 | 99.00 | 92.03 | 99.00 | 97.13 | 94.80 | 91.26 | 87.59 | 80.59 | 75.12 | 74.77 | 83.22 | 76.76 | 74.69 | 66.17 | 53.61 | NA | 42.38 | NA | NA | |
| Stock Issued During Period Value New Issues | 6.58 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Operating Activities | 16.37 | -20.11 | 35.28 | 18.13 | 26.11 | 40.23 | 13.66 | -2.70 | 2.98 | 10.94 | 24.14 | 9.91 | 2.97 | 18.47 | 16.93 | 0.92 | 16.26 | 1.92 | 12.61 | 2.86 | 20.85 | 21.29 | 14.42 | 2.68 | 13.19 | 14.18 | 23.93 | 8.56 | 14.89 | 17.23 | 13.30 | NA | NA | 18.08 | 18.76 | 35.85 | 21.96 | 35.14 | 4.29 | 10.26 | 6.18 | 6.87 | 7.35 | 6.63 | 6.33 | 7.49 | 15.85 | 4.12 | 9.58 | 20.31 | 12.55 | 13.99 | 13.87 | 11.88 | 10.38 | NA | |
| Net Cash Provided By Used In Investing Activities | -14.85 | -26.61 | -18.14 | -17.08 | -13.47 | -15.78 | -15.44 | -13.19 | -8.95 | -9.45 | -7.24 | -5.12 | -5.72 | -6.70 | -5.08 | -2.83 | -3.58 | -6.25 | -8.98 | -8.63 | -6.34 | -17.29 | -1.87 | 1.65 | -8.49 | 9.23 | -15.99 | -7.76 | -7.77 | -32.14 | -12.77 | NA | NA | -3.90 | -2.99 | -15.58 | -8.06 | -3.20 | -324.96 | -6.19 | -2.94 | -7.80 | -7.31 | -9.04 | -9.82 | -9.42 | -5.03 | -1.89 | -4.02 | -14.51 | 5.99 | -6.00 | -6.68 | -12.81 | -6.12 | NA | |
| Net Cash Provided By Used In Financing Activities | -2.27 | 47.13 | -16.80 | -1.03 | -12.72 | -28.51 | -0.10 | 20.69 | 7.72 | -3.46 | -15.19 | -6.36 | -1.69 | -9.24 | -14.19 | 1.14 | -13.34 | 6.56 | -3.53 | 3.40 | -21.25 | -5.31 | -5.56 | -8.47 | -2.43 | -20.34 | -8.61 | -4.75 | -2.88 | 11.88 | -3.94 | NA | NA | -17.76 | -12.76 | -15.57 | -15.57 | -40.48 | 321.66 | -1.32 | -1.19 | 3.44 | -1.16 | NA | NA | -6.40 | -16.87 | -6.56 | -2.52 | -1.81 | -2.53 | -5.43 | -2.50 | -2.17 | -5.44 | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Operating Activities | 16.37 | -20.11 | 35.28 | 18.13 | 26.11 | 40.23 | 13.66 | -2.70 | 2.98 | 10.94 | 24.14 | 9.91 | 2.97 | 18.47 | 16.93 | 0.92 | 16.26 | 1.92 | 12.61 | 2.86 | 20.85 | 21.29 | 14.42 | 2.68 | 13.19 | 14.18 | 23.93 | 8.56 | 14.89 | 17.23 | 13.30 | NA | NA | 18.08 | 18.76 | 35.85 | 21.96 | 35.14 | 4.29 | 10.26 | 6.18 | 6.87 | 7.35 | 6.63 | 6.33 | 7.49 | 15.85 | 4.12 | 9.58 | 20.31 | 12.55 | 13.99 | 13.87 | 11.88 | 10.38 | NA | |
| Net Income Loss | -1.70 | -10.25 | 16.07 | 16.91 | 22.05 | 30.01 | 1.61 | -3.39 | -10.13 | -7.74 | 7.99 | -2.96 | -1.03 | -4.74 | 1.92 | 0.25 | -3.66 | -59.79 | -3.72 | -3.34 | 7.00 | 2.60 | 2.91 | -0.02 | 2.13 | 21.36 | 3.92 | 0.39 | 7.41 | -3.83 | 4.32 | 5.85 | 6.16 | 0.54 | 5.14 | 6.85 | 7.59 | 9.39 | -5.77 | 3.07 | 3.53 | 4.69 | 4.83 | 8.16 | 5.47 | 5.01 | 6.19 | 6.46 | 6.15 | 8.52 | 12.56 | 6.46 | 8.28 | 4.27 | 6.50 | 4.78 | |
| Profit Loss | -1.70 | -10.25 | 16.07 | 16.91 | 22.05 | 30.01 | 1.61 | -3.39 | -10.13 | -7.74 | 7.99 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Depreciation Depletion And Amortization | 15.44 | 15.84 | 16.23 | 17.17 | 17.98 | 14.99 | 11.19 | 11.16 | 9.53 | 10.11 | 9.84 | 9.71 | 10.31 | 9.48 | 9.31 | 10.22 | 10.63 | 12.96 | 11.78 | 12.10 | 11.74 | 11.40 | 10.81 | 11.12 | 10.83 | 9.96 | 9.73 | 9.10 | 9.70 | 9.38 | 7.94 | 9.06 | 9.18 | 11.19 | 10.65 | 10.77 | 11.34 | 12.13 | 6.98 | 5.19 | 4.96 | 4.60 | 4.77 | 4.65 | 4.56 | 4.13 | 4.14 | 3.94 | 3.81 | 3.97 | 3.39 | 3.38 | 3.35 | 3.06 | 3.12 | 2.88 | |
| Increase Decrease In Inventories | 6.61 | -0.67 | -24.20 | 5.32 | 4.00 | 19.83 | -0.07 | 5.03 | 1.08 | -3.62 | -21.02 | -1.69 | 9.37 | -12.14 | -4.47 | 4.60 | 9.11 | 2.15 | -3.96 | 7.74 | 2.67 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Deferred Income Tax Expense Benefit | -0.61 | -3.01 | 3.21 | 1.51 | 2.92 | 0.92 | 0.60 | 0.42 | -0.18 | 2.72 | -1.36 | 0.40 | -1.73 | 0.60 | -0.39 | -0.62 | -1.65 | -19.08 | -3.05 | 0.11 | 0.19 | -2.17 | -0.39 | -0.10 | 0.37 | -18.60 | 2.54 | -1.02 | 0.63 | -7.01 | 0.76 | 1.15 | 0.97 | 2.15 | -0.01 | 3.32 | 2.00 | 2.34 | -1.28 | -2.73 | -0.06 | 2.53 | 2.28 | 1.99 | 0.65 | 1.08 | 1.35 | 1.20 | 1.14 | 3.20 | 4.54 | 2.46 | 3.46 | NA | NA | NA | |
| Share Based Compensation | 0.67 | 0.78 | 0.77 | 0.78 | 1.22 | 1.04 | 0.12 | 0.05 | 0.06 | 0.17 | 0.27 | 0.28 | 0.28 | 0.28 | 0.29 | 0.32 | 0.32 | 0.40 | 0.43 | 0.51 | 0.50 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Amortization Of Financing Costs | 0.40 | 0.40 | 0.60 | 1.02 | 1.21 | 1.10 | 0.99 | 0.82 | 0.69 | 0.66 | 0.66 | 0.64 | 0.61 | 0.61 | 0.61 | 0.61 | 0.47 | 0.47 | 0.54 | 0.54 | 0.54 | 0.54 | 0.54 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Investing Activities | -14.85 | -26.61 | -18.14 | -17.08 | -13.47 | -15.78 | -15.44 | -13.19 | -8.95 | -9.45 | -7.24 | -5.12 | -5.72 | -6.70 | -5.08 | -2.83 | -3.58 | -6.25 | -8.98 | -8.63 | -6.34 | -17.29 | -1.87 | 1.65 | -8.49 | 9.23 | -15.99 | -7.76 | -7.77 | -32.14 | -12.77 | NA | NA | -3.90 | -2.99 | -15.58 | -8.06 | -3.20 | -324.96 | -6.19 | -2.94 | -7.80 | -7.31 | -9.04 | -9.82 | -9.42 | -5.03 | -1.89 | -4.02 | -14.51 | 5.99 | -6.00 | -6.68 | -12.81 | -6.12 | NA | |
| Payments To Acquire Property Plant And Equipment | 14.87 | 26.61 | 18.14 | 17.13 | 13.48 | 15.68 | 15.44 | 13.82 | 9.08 | 9.97 | 7.24 | 5.12 | 5.72 | 6.70 | 3.96 | 4.01 | 6.02 | 8.26 | 8.98 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 13.45 | -6.60 | 2.37 | 15.97 | 4.47 | 5.70 | 6.86 | 10.09 | 6.42 | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Financing Activities | -2.27 | 47.13 | -16.80 | -1.03 | -12.72 | -28.51 | -0.10 | 20.69 | 7.72 | -3.46 | -15.19 | -6.36 | -1.69 | -9.24 | -14.19 | 1.14 | -13.34 | 6.56 | -3.53 | 3.40 | -21.25 | -5.31 | -5.56 | -8.47 | -2.43 | -20.34 | -8.61 | -4.75 | -2.88 | 11.88 | -3.94 | NA | NA | -17.76 | -12.76 | -15.57 | -15.57 | -40.48 | 321.66 | -1.32 | -1.19 | 3.44 | -1.16 | NA | NA | -6.40 | -16.87 | -6.56 | -2.52 | -1.81 | -2.53 | -5.43 | -2.50 | -2.17 | -5.44 | NA |
| 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenues | 109.67 | 119.18 | 165.77 | 161.19 | 188.33 | 152.07 | 85.08 | 65.93 | 58.91 | 65.51 | 79.82 | 55.64 | 46.70 | 65.55 | 65.13 | 52.08 | 62.48 | 78.74 | 83.10 | 72.31 | 89.31 | 89.73 | 79.72 | 57.24 | 66.86 | 69.30 | 74.47 | 64.31 | 63.55 | 71.23 | 65.77 | 68.56 | 75.89 | 64.85 | 82.01 | 95.25 | 98.00 | 100.62 | 66.32 | 38.46 | 35.77 | 37.81 | 37.66 | 40.74 | 37.66 | 35.08 | 37.11 | 35.17 | 33.96 | 41.20 | 44.63 | 33.66 | 37.86 | 29.09 | 33.18 | 31.68 | |
| Coal Operations | 66.87 | 92.16 | 134.90 | 113.10 | 95.27 | 85.15 | 84.53 | 65.32 | 58.34 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Electric Operations | 58.91 | 37.20 | 67.54 | 71.10 | 92.49 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Corporate And Other | -16.11 | -10.17 | -36.67 | -23.01 | 0.57 | 0.60 | 0.55 | 0.61 | 0.57 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Revenue From Contract With Customer Excluding Assessed Tax | 109.67 | 119.18 | 165.77 | 161.19 | 188.33 | 157.26 | 83.56 | 64.16 | 57.01 | 64.39 | 79.04 | 54.60 | 45.88 | 64.92 | 64.75 | 50.47 | 62.54 | 78.74 | 83.10 | 72.31 | 89.31 | 90.79 | 79.06 | 57.24 | 66.86 | 69.30 | 73.90 | 64.31 | 63.55 | 71.23 | 65.77 | 68.56 | 75.89 | 64.85 | 82.01 | 95.25 | 98.00 | 100.62 | 66.32 | 38.46 | 35.77 | 37.81 | 37.66 | 40.74 | 37.66 | 35.08 | 37.11 | 35.17 | 33.96 | 41.20 | 44.63 | 33.66 | 37.86 | 29.09 | 33.18 | 31.68 | |
| Capacity Payments | 11.80 | NA | NA | NA | 16.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Coal Sales | 49.63 | 81.33 | 97.42 | 88.57 | 94.60 | 84.64 | 83.56 | 64.16 | 57.01 | NA | NA | NA | NA | NA | NA | NA | 61.93 | 78.20 | 82.88 | 71.11 | 85.23 | 89.02 | 79.06 | 56.92 | 66.79 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Delivered Energy | 47.00 | NA | NA | NA | 76.40 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Electric Sales | 58.76 | 37.12 | 67.40 | 71.02 | 92.39 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
