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| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Common Stock Value | 0.29 | 0.29 | 0.30 | 0.31 | 0.33 | 0.34 | 0.35 | 0.35 | 0.35 | 0.35 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 0.26 | 0.26 | 0.26 | 0.26 | 0.26 | 0.27 | 0.28 | 0.27 | 0.28 | 0.28 | 0.28 | 0.28 | NA | NA | NA | 0.00 | NA | NA | NA | |
| dei: Entity Common Stock Shares Outstanding | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Weighted Average Number Of Diluted Shares Outstanding | 29.69 | 30.07 | NA | 32.39 | 33.96 | 35.15 | NA | 35.78 | 35.72 | 34.66 | NA | NA | NA | NA | NA | NA | 26.03 | 26.25 | NA | 27.02 | 27.78 | 27.84 | NA | 28.58 | 28.55 | 28.32 | NA | 27.97 | 27.97 | 27.97 | NA | NA | NA | NA | |
| Weighted Average Number Of Shares Outstanding Basic | 29.58 | 29.95 | NA | 31.93 | 33.56 | 34.54 | NA | 34.87 | 34.85 | 34.66 | NA | NA | NA | NA | NA | NA | 26.03 | 25.99 | NA | 26.84 | 27.50 | 27.53 | NA | 27.98 | 28.03 | 28.03 | NA | 27.97 | 27.97 | 27.97 | NA | NA | NA | NA | |
| Earnings Per Share Basic | 1.96 | 3.40 | 4.94 | 3.15 | 5.00 | 6.67 | 5.54 | 4.36 | 3.62 | NA | NA | NA | NA | NA | NA | NA | -0.69 | NA | 0.54 | 0.16 | 1.57 | 0.52 | 1.43 | 0.20 | 1.61 | 2.23 | -1.04 | 0.28 | 1.71 | 1.47 | 0.66 | 0.09 | 0.45 | 0.28 | |
| Earnings Per Share Diluted | 1.96 | 3.39 | 5.04 | 3.11 | 4.94 | 6.55 | 5.39 | 4.25 | 3.54 | NA | NA | NA | NA | NA | NA | NA | -0.69 | NA | 0.54 | 0.16 | 1.56 | 0.52 | 1.41 | 0.20 | 1.58 | 2.20 | -1.04 | 0.00 | 0.00 | 0.00 | 0.66 | 0.00 | 0.00 | 0.00 |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue From Contract With Customer Excluding Assessed Tax | 490.72 | 546.69 | 634.35 | 540.67 | 654.02 | 677.60 | 608.91 | 530.07 | 604.88 | 536.15 | 335.04 | 292.02 | 303.22 | 330.76 | 268.77 | 214.29 | 121.30 | 275.10 | 342.63 | 321.44 | 371.18 | 356.98 | 382.24 | 313.36 | 404.80 | 384.12 | 352.32 | 316.11 | 336.32 | 372.22 | 378.38 | 295.39 | 294.63 | 262.46 | |
| Revenues | 501.12 | 565.04 | 649.44 | 569.86 | 660.97 | 688.61 | 637.15 | 561.64 | 544.62 | 358.53 | 480.62 | 149.01 | 287.16 | 342.15 | 324.61 | 243.22 | 162.56 | 291.26 | 342.63 | 333.35 | 384.31 | 370.61 | 382.24 | 324.25 | 415.27 | 410.26 | 352.32 | 335.31 | 352.05 | 372.22 | 378.38 | 295.39 | 294.63 | 262.46 | |
| Operating Costs And Expenses | 287.67 | 293.43 | 306.52 | 276.32 | 276.60 | 260.63 | 256.25 | 229.67 | 244.76 | 218.53 | 194.10 | 189.08 | 175.05 | 185.11 | 185.88 | 153.03 | 116.41 | 212.28 | 229.60 | 234.85 | 253.45 | 230.11 | 245.67 | 222.78 | 248.19 | 229.80 | 204.31 | 229.53 | 222.88 | 229.99 | 253.91 | 215.82 | NA | NA | |
| Costs And Expenses | 434.04 | 446.31 | 470.59 | 448.11 | 455.67 | 416.64 | 401.79 | 370.10 | 395.11 | 366.50 | 318.04 | 303.06 | 291.88 | 310.56 | 306.04 | 246.66 | 191.31 | 286.87 | 320.45 | 323.91 | 337.29 | 351.16 | 335.90 | 315.85 | 359.53 | 333.12 | 312.52 | 323.02 | 290.19 | 316.37 | 340.65 | 290.70 | 280.83 | 253.66 | |
| Selling General And Administrative Expense | 20.89 | 20.63 | 23.71 | 37.31 | 25.15 | 17.30 | 21.78 | 30.41 | 27.36 | 37.15 | 20.13 | 22.48 | 22.54 | 23.96 | 32.98 | 11.12 | 10.94 | 17.67 | 14.21 | 14.69 | 16.29 | 21.92 | 17.63 | 18.53 | 15.71 | 13.48 | 25.01 | 21.18 | 20.34 | 17.08 | 19.85 | 12.16 | 10.46 | 7.56 | |
| Interest Expense | 4.99 | 5.41 | 5.25 | 6.64 | 7.16 | 10.28 | 13.21 | 11.96 | 13.12 | 14.35 | 15.85 | 16.05 | 16.19 | 15.26 | 15.07 | 15.72 | 14.72 | 15.67 | 16.22 | 15.60 | 16.05 | 18.60 | 20.44 | 20.86 | 21.50 | 21.05 | 14.27 | 3.86 | 3.94 | 4.02 | 4.08 | 3.48 | 3.36 | 3.14 | |
| Gains Losses On Extinguishment Of Debt | NA | NA | 0.00 | -0.66 | -0.69 | -1.38 | -1.26 | -0.67 | -1.56 | -2.12 | 0.00 | -0.13 | 0.11 | 0.68 | 3.44 | 1.08 | -0.00 | 16.83 | 0.99 | -0.80 | -1.50 | -23.14 | -0.77 | 0.00 | -1.72 | -1.43 | 0.00 | 0.00 | 0.00 | 0.00 | NA | NA | NA | NA | |
| Income Tax Expense Benefit | 9.03 | 16.84 | 21.78 | 21.03 | 37.57 | 41.59 | 42.34 | 39.41 | 23.22 | -3.52 | 45.26 | -40.26 | -8.89 | 5.18 | 3.83 | 5.92 | -7.68 | 1.91 | 4.78 | 2.42 | -1.81 | -0.85 | 0.30 | -0.69 | 3.03 | 6.18 | 64.44 | 3.77 | 9.61 | 9.41 | 14.82 | -0.07 | -0.11 | -0.08 | |
| Profit Loss | 58.06 | 101.89 | 157.07 | 100.72 | 167.72 | 230.38 | 193.02 | 152.12 | 126.29 | -4.45 | 117.32 | -113.79 | 4.17 | 26.40 | 14.73 | -9.36 | -21.06 | 2.48 | 17.40 | 7.02 | 48.83 | 20.30 | 46.03 | 9.08 | 52.71 | 70.96 | -24.64 | 8.52 | 52.25 | 46.45 | 22.91 | 4.75 | 13.90 | 8.88 | |
| Other Comprehensive Income Loss Net Of Tax | 0.37 | 0.26 | 3.33 | -0.91 | -1.16 | -0.69 | 100.82 | 1.31 | 1.75 | 1.92 | 68.89 | 3.75 | 4.52 | 3.77 | 3.76 | 4.00 | 3.61 | 0.85 | -32.10 | 2.20 | 2.19 | 2.46 | 53.98 | 4.18 | 4.18 | 4.00 | 85.06 | 3.29 | 3.15 | 3.41 | -39.12 | 1.42 | NA | NA | |
| Net Income Loss | 58.06 | 101.89 | 157.07 | 100.72 | 167.72 | 230.38 | 193.02 | 152.12 | 126.29 | -4.45 | 117.32 | -113.79 | 4.17 | 26.40 | 13.09 | -7.22 | -17.98 | 2.37 | 13.95 | 4.34 | 43.28 | 14.44 | 39.67 | 5.73 | 45.16 | 62.41 | -29.01 | 7.73 | 47.93 | 40.98 | 18.50 | 2.50 | 12.72 | 7.77 | |
| Comprehensive Income Net Of Tax | 58.43 | 102.15 | 160.40 | 99.82 | 166.57 | 229.69 | 293.84 | 153.43 | 128.04 | -2.53 | 186.21 | -110.04 | 8.69 | 30.18 | 16.83 | -3.24 | -14.39 | 3.20 | -18.15 | 6.54 | 45.48 | 16.90 | 93.66 | 9.91 | 49.34 | 66.41 | 56.06 | 11.02 | 51.10 | 44.41 | -20.88 | 3.93 | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Assets | 2710.45 | 2680.12 | 2675.00 | 2659.51 | 2678.35 | 2695.31 | 2704.38 | 2722.28 | 2720.49 | 2714.96 | 2573.52 | 2589.75 | 2557.93 | 2520.56 | 2523.37 | 2554.84 | 2566.13 | 2653.47 | 2693.80 | 2723.24 | 2765.47 | 2767.04 | 2760.73 | 2745.93 | 2756.50 | 2729.12 | 2707.10 | 2588.53 | 2626.61 | 2685.08 | 2687.43 | 2769.56 | NA | NA | |
| Liabilities | 1272.05 | 1291.31 | 1331.56 | 1350.72 | 1343.15 | 1414.41 | 1538.55 | 1805.83 | 1922.89 | 2046.55 | 1900.70 | 2105.17 | 1965.20 | 1937.49 | 1969.85 | 2002.11 | 2010.26 | 2082.38 | 2121.41 | 2129.79 | 2155.23 | 2195.52 | 2209.12 | 2283.47 | 2295.28 | 2319.93 | 2363.46 | 1791.56 | NA | NA | 1887.31 | NA | NA | NA | |
| Liabilities And Stockholders Equity | 2710.45 | 2680.12 | 2675.00 | 2659.51 | 2678.35 | 2695.31 | 2704.38 | 2722.28 | 2720.49 | 2714.96 | 2573.52 | 2589.75 | 2557.93 | 2520.56 | 2523.37 | 2554.84 | 2566.13 | 2653.47 | 2693.80 | 2723.24 | 2765.47 | 2767.04 | 2760.73 | 2745.93 | 2756.50 | 2729.12 | 2707.10 | 2588.53 | NA | NA | 2687.43 | NA | NA | NA | |
| Stockholders Equity | 1438.40 | 1388.82 | 1343.44 | 1308.79 | 1335.19 | 1280.90 | 1165.83 | 916.45 | 797.59 | 668.41 | 672.81 | 484.58 | 592.73 | 583.07 | 553.52 | 426.08 | 427.18 | 439.40 | 435.20 | 454.49 | 468.50 | 430.02 | 409.94 | 320.93 | 316.95 | 267.39 | 204.26 | 657.56 | NA | NA | 657.63 | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Assets Current | 621.21 | 613.71 | 601.01 | 579.39 | 578.42 | 611.99 | 598.48 | 558.30 | 540.73 | 528.39 | 386.34 | 384.24 | 371.95 | 336.74 | 292.94 | 251.30 | 242.98 | 310.74 | 338.03 | 357.12 | 396.35 | 406.15 | 473.95 | 468.90 | 474.29 | 437.05 | 399.24 | 191.87 | NA | NA | 200.13 | NA | NA | NA | |
| Cash And Cash Equivalents At Carrying Value | 216.12 | 172.55 | 199.37 | 167.59 | 189.54 | 192.83 | 273.07 | 268.85 | 261.57 | 222.90 | 149.91 | 161.98 | 146.67 | 91.17 | 50.85 | 22.28 | 33.03 | 78.17 | 80.29 | 133.33 | 155.67 | 155.17 | 235.68 | 250.45 | 278.29 | 191.72 | 153.98 | 3.70 | NA | 6.64 | 13.31 | 6.41 | NA | NA | |
| Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents | 256.83 | 216.78 | 243.27 | 215.99 | 242.67 | 246.84 | 326.95 | 320.65 | 312.66 | 269.01 | 198.21 | 212.31 | 200.20 | 91.48 | 50.85 | 22.28 | 33.03 | 78.83 | 80.29 | 134.85 | 174.37 | 176.77 | 264.94 | 276.31 | 284.50 | 191.72 | 153.98 | 3.70 | 6.74 | NA | 13.31 | NA | NA | NA | |
| Short Term Investments | NA | NA | 81.93 | NA | NA | NA | NA | NA | NA | NA | 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 | 143.93 | 163.54 | 147.61 | 147.66 | 113.83 | 149.40 | 158.13 | 106.62 | 137.35 | 178.45 | 104.10 | 88.50 | 99.72 | 124.63 | 118.29 | 120.55 | 99.99 | 113.10 | 131.69 | 109.79 | 110.45 | 109.26 | 87.59 | 78.65 | 87.51 | 127.35 | 131.54 | 100.99 | NA | NA | 95.71 | NA | NA | NA | |
| Inventory Net | 97.51 | 109.49 | 88.15 | 98.39 | 97.67 | 95.64 | 66.29 | 74.95 | 68.44 | 58.80 | 62.88 | 56.02 | 59.30 | 55.21 | 56.20 | 56.58 | 61.04 | 58.64 | 54.13 | 48.84 | 51.19 | 54.89 | 48.65 | 52.47 | 48.34 | 60.77 | 53.42 | 52.00 | NA | NA | 50.16 | NA | NA | NA | |
| Other Assets Current | 64.67 | 69.09 | 71.17 | 73.43 | 66.34 | NA | 62.48 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Property Plant And Equipment Gross | 5655.65 | 5594.41 | 5552.40 | 5520.66 | 5484.65 | 5442.73 | 5408.58 | 5351.12 | 5333.73 | 5293.90 | 5250.81 | 5219.43 | 5171.23 | 5131.74 | 5143.70 | 5126.70 | 5063.94 | 5053.70 | 5008.18 | 4973.40 | 4927.49 | 4878.73 | 4838.17 | 4796.14 | 4758.27 | 4722.12 | 4676.35 | 4604.07 | NA | NA | 4593.40 | NA | NA | NA | |
| Accumulated Depreciation Depletion And Amortization Property Plant And Equipment | 3744.63 | 3699.74 | 3649.28 | 3603.83 | 3553.05 | 3502.39 | 3448.49 | 3397.82 | 3373.97 | 3323.58 | 3272.26 | 3220.47 | 3168.41 | 3117.65 | 3094.63 | 3043.46 | 2996.33 | 2965.90 | 2916.01 | 2866.65 | 2824.35 | 2778.45 | 2731.64 | 2692.45 | 2648.81 | 2599.78 | 2554.06 | 2508.14 | NA | NA | 2413.12 | NA | NA | NA | |
| Property Plant And Equipment Net | 1911.02 | 1894.67 | 1903.12 | 1916.83 | 1931.60 | 1940.35 | 1960.08 | 1953.30 | 1959.77 | 1970.33 | 1978.55 | 1998.96 | 2002.83 | 2014.09 | 2049.06 | 2083.24 | 2067.61 | 2087.80 | 2092.16 | 2106.75 | 2103.14 | 2100.28 | 2106.53 | 2103.69 | 2109.45 | 2122.35 | 2122.30 | 2095.92 | NA | NA | 2180.27 | NA | NA | NA | |
| Other Assets Noncurrent | 178.22 | 171.74 | 170.87 | 163.29 | 168.32 | 142.97 | 145.81 | 210.68 | 219.99 | 216.24 | 208.63 | 206.55 | 183.15 | 169.73 | 181.36 | 220.30 | 255.54 | 254.93 | 263.61 | 259.36 | 265.97 | 260.61 | 180.24 | 173.34 | 172.75 | 169.72 | 185.56 | 300.74 | NA | NA | 307.03 | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Liabilities Current | 400.09 | 417.30 | 443.72 | 454.15 | 413.73 | 442.47 | 448.80 | 515.00 | 576.50 | 627.42 | 445.23 | 515.68 | 370.26 | 371.19 | 368.47 | 388.61 | 373.90 | 394.26 | 392.26 | 411.15 | 407.87 | 417.32 | 492.18 | 373.10 | 375.72 | 388.21 | 422.21 | 362.81 | NA | NA | 379.09 | NA | NA | NA | |
| Long Term Debt Current | 1.24 | 1.44 | 1.64 | 2.03 | 2.02 | 4.76 | 4.74 | 4.43 | 4.10 | 39.09 | 36.59 | 27.65 | 31.39 | 28.89 | 33.73 | 47.69 | 45.72 | 43.69 | 32.05 | 27.68 | 20.64 | 18.14 | 117.95 | 4.32 | 4.32 | 8.07 | 19.32 | 0.37 | NA | NA | 0.37 | NA | NA | NA | |
| Accounts Payable Current | 136.85 | 139.30 | 137.24 | 132.38 | 122.02 | 120.54 | 130.23 | 124.55 | 115.00 | 109.45 | 80.34 | 78.39 | 68.07 | 75.38 | 71.23 | 72.26 | 66.45 | 89.56 | 106.22 | 125.32 | 130.88 | 126.79 | 130.93 | 102.40 | 103.73 | 84.69 | 109.10 | 90.25 | NA | NA | 82.90 | NA | NA | NA | |
| Other Accrued Liabilities Current | 8.51 | 8.20 | 10.46 | 19.11 | 18.68 | 11.59 | 11.39 | 12.48 | 13.84 | 17.69 | 16.41 | 15.06 | 21.48 | 20.32 | 23.84 | 22.00 | 22.34 | 12.14 | 9.72 | 10.17 | 10.36 | 13.65 | 15.44 | 18.42 | 17.64 | 19.96 | 23.90 | 14.84 | NA | NA | 21.99 | NA | NA | NA | |
| Accrued Income Taxes Current | NA | 15.56 | NA | 17.23 | 5.39 | 43.52 | 1.51 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Accrued Liabilities Current | 253.06 | 264.98 | 290.61 | 301.30 | 267.76 | 292.53 | 269.66 | 266.53 | 253.09 | 247.19 | 300.88 | 382.91 | 242.76 | 245.75 | 243.40 | 247.40 | 240.53 | 237.26 | 235.77 | 240.62 | 239.02 | 255.28 | 226.43 | 249.76 | 251.23 | 285.13 | 290.63 | 269.05 | NA | NA | 292.12 | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Long Term Debt | 183.25 | 183.39 | 183.52 | 185.45 | 209.48 | 257.74 | 346.85 | 418.07 | 466.06 | 574.00 | 604.64 | 625.35 | 640.72 | 579.33 | 600.59 | 634.71 | 641.08 | 648.61 | 685.86 | 705.61 | 717.25 | 733.32 | 826.49 | 831.10 | 830.80 | 851.59 | 875.97 | 289.98 | NA | NA | 302.20 | NA | NA | NA | |
| Long Term Debt Noncurrent | 182.01 | 181.95 | 181.88 | 183.42 | 207.46 | 252.98 | 342.11 | 413.64 | 461.96 | 534.90 | 568.05 | 597.70 | 609.33 | 550.44 | 566.86 | 587.02 | 595.36 | 604.93 | 653.80 | 677.93 | 696.61 | 715.18 | 708.54 | 826.78 | 826.48 | 843.52 | 856.65 | 289.60 | NA | NA | 301.83 | NA | NA | NA | |
| Long Term Debt And Capital Lease Obligations | 184.93 | 185.47 | 186.07 | 188.83 | 214.76 | 263.04 | 355.33 | 427.18 | 479.23 | 556.89 | 594.65 | 626.56 | 639.87 | 585.32 | 603.06 | 608.17 | 618.90 | 626.87 | 662.84 | 689.56 | 713.07 | 736.36 | 734.23 | 857.01 | 861.33 | 866.34 | 865.29 | 299.03 | NA | NA | 313.64 | NA | NA | NA | |
| Deferred Income Tax Liabilities Net | 36.40 | 36.29 | 36.22 | 21.08 | 21.35 | 21.70 | 21.91 | NA | NA | NA | 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 | 10.76 | 9.88 | 19.74 | 19.88 | 20.19 | 11.81 | 33.05 | 33.47 | 28.18 | 24.10 | 17.54 | 47.49 | 24.08 | 16.54 | 17.37 | 16.61 | 16.52 | 17.27 | 14.92 | 13.70 | 13.51 | 10.12 | 16.57 | 18.84 | 19.01 | 19.17 | 24.04 | 13.87 | NA | NA | 14.95 | NA | NA | NA | |
| Operating Lease Liability Noncurrent | 10.49 | 9.52 | 10.38 | 11.23 | 12.49 | 13.73 | 15.07 | 15.70 | 16.79 | 14.06 | 15.27 | 24.94 | 26.55 | 32.43 | 35.66 | 41.62 | 45.48 | 52.98 | 55.41 | 66.43 | 68.47 | 70.60 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stockholders Equity | 1438.40 | 1388.82 | 1343.44 | 1308.79 | 1335.19 | 1280.90 | 1165.83 | 916.45 | 797.59 | 668.41 | 672.81 | 484.58 | 592.73 | 583.07 | 553.52 | 426.08 | 427.18 | 439.40 | 435.20 | 454.49 | 468.50 | 430.02 | 409.94 | 320.93 | 316.95 | 267.39 | 204.26 | 657.56 | NA | NA | 657.63 | NA | NA | NA | |
| Stockholders Equity Including Portion Attributable To Noncontrolling Interest | 1438.40 | 1388.82 | 1343.44 | 1308.79 | 1335.19 | 1280.90 | 1165.83 | 916.45 | 797.59 | 668.41 | 672.81 | 484.58 | 592.73 | 583.07 | 553.52 | 552.73 | 555.88 | 571.09 | 572.39 | 593.45 | 610.24 | 571.52 | 551.61 | 462.46 | 461.22 | 409.19 | 343.64 | 796.97 | NA | NA | 800.12 | NA | NA | NA | |
| Common Stock Value | 0.29 | 0.29 | 0.30 | 0.31 | 0.33 | 0.34 | 0.35 | 0.35 | 0.35 | 0.35 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 0.26 | 0.26 | 0.26 | 0.26 | 0.26 | 0.27 | 0.28 | 0.27 | 0.28 | 0.28 | 0.28 | 0.28 | NA | NA | NA | 0.00 | NA | NA | NA | |
| Additional Paid In Capital | 535.97 | 536.16 | 547.86 | 569.07 | 595.57 | 615.87 | 646.24 | 647.45 | 646.22 | 645.07 | 646.95 | 644.92 | 643.03 | 642.05 | 642.89 | 532.36 | 530.22 | 528.06 | 523.76 | 524.90 | 549.69 | 554.18 | 551.00 | 549.51 | 551.22 | 549.93 | 552.79 | NA | NA | NA | 0.00 | NA | NA | NA | |
| Retained Earnings Accumulated Deficit | 1050.58 | 1001.16 | 944.34 | 891.80 | 890.79 | 815.01 | 668.88 | 519.11 | 402.80 | 276.51 | 280.96 | 163.64 | 277.43 | 273.25 | 246.85 | 233.76 | 240.99 | 258.97 | 259.90 | 245.96 | 237.37 | 196.58 | 182.15 | 148.62 | 147.10 | 103.01 | -43.71 | NA | NA | NA | 0.00 | NA | NA | NA | |
| Accumulated Other Comprehensive Income Loss Net Of Tax | -148.43 | -148.80 | -149.06 | -152.39 | -151.48 | -150.33 | -149.64 | -250.46 | -251.77 | -253.52 | -255.44 | -324.32 | -328.07 | -332.59 | -336.56 | -340.31 | -344.29 | -347.89 | -348.73 | -316.63 | -318.82 | -321.02 | -323.48 | -377.47 | -381.65 | -385.83 | -305.10 | -390.17 | NA | NA | -400.06 | NA | NA | NA | |
| Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value | 2.26 | 5.13 | NA | 1.68 | 1.99 | 4.79 | NA | 1.22 | 1.27 | 4.20 | NA | 1.89 | 1.21 | 1.51 | NA | 2.21 | 2.24 | 5.01 | NA | 2.97 | 2.92 | 7.45 | 2.60 | 2.98 | 2.81 | 1.85 | 7.01 | NA | NA | NA | NA | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Operating Activities | 116.26 | 77.48 | 219.13 | 162.73 | 227.57 | 248.51 | 151.30 | 153.13 | 198.35 | 148.21 | 52.43 | 80.54 | 94.61 | 78.00 | 66.94 | 15.71 | -4.72 | 51.40 | 21.38 | 57.38 | 83.63 | 82.17 | 83.27 | 52.06 | 162.46 | 115.73 | 76.46 | 67.62 | 55.49 | 48.54 | 158.68 | NA | NA | NA | |
| Net Cash Provided By Used In Investing Activities | -59.20 | -36.30 | -63.71 | -21.81 | -71.16 | -102.76 | -25.86 | -46.19 | -38.63 | -31.49 | -35.76 | -45.88 | -40.23 | -5.49 | -18.93 | -11.65 | -18.58 | -27.18 | -43.08 | -47.81 | -47.79 | -33.86 | -58.16 | -40.52 | -33.41 | -21.56 | -23.74 | -26.84 | -6.93 | 0.69 | -8.12 | NA | NA | NA | |
| Net Cash Provided By Used In Financing Activities | -17.01 | -67.68 | -128.15 | -167.60 | -160.59 | -225.86 | -119.14 | -98.95 | -116.07 | -45.91 | -30.77 | -22.55 | 54.34 | -31.88 | -19.45 | -14.80 | -22.50 | -25.69 | -32.86 | -49.09 | -38.24 | -136.48 | -36.49 | -19.73 | -36.27 | -56.43 | 97.56 | -43.82 | -48.46 | -55.90 | -143.66 | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Operating Activities | 116.26 | 77.48 | 219.13 | 162.73 | 227.57 | 248.51 | 151.30 | 153.13 | 198.35 | 148.21 | 52.43 | 80.54 | 94.61 | 78.00 | 66.94 | 15.71 | -4.72 | 51.40 | 21.38 | 57.38 | 83.63 | 82.17 | 83.27 | 52.06 | 162.46 | 115.73 | 76.46 | 67.62 | 55.49 | 48.54 | 158.68 | NA | NA | NA | |
| Net Income Loss | 58.06 | 101.89 | 157.07 | 100.72 | 167.72 | 230.38 | 193.02 | 152.12 | 126.29 | -4.45 | 117.32 | -113.79 | 4.17 | 26.40 | 13.09 | -7.22 | -17.98 | 2.37 | 13.95 | 4.34 | 43.28 | 14.44 | 39.67 | 5.73 | 45.16 | 62.41 | -29.01 | 7.73 | 47.93 | 40.98 | 18.50 | 2.50 | 12.72 | 7.77 | |
| Profit Loss | 58.06 | 101.89 | 157.07 | 100.72 | 167.72 | 230.38 | 193.02 | 152.12 | 126.29 | -4.45 | 117.32 | -113.79 | 4.17 | 26.40 | 14.73 | -9.36 | -21.06 | 2.48 | 17.40 | 7.02 | 48.83 | 20.30 | 46.03 | 9.08 | 52.71 | 70.96 | -24.64 | 8.52 | 52.25 | 46.45 | 22.91 | 4.75 | 13.90 | 8.88 | |
| Depreciation Depletion And Amortization | 54.85 | 57.00 | 58.45 | 58.79 | 64.53 | 59.55 | 58.27 | 54.77 | 57.88 | 55.95 | 56.51 | 55.98 | 52.20 | 59.90 | 54.70 | 54.96 | 46.16 | 54.94 | 55.85 | 54.37 | 46.15 | 50.72 | 45.59 | 51.24 | 54.96 | 49.47 | 47.09 | 46.65 | 25.27 | 52.99 | 50.30 | 49.85 | 29.31 | 48.66 | |
| Increase Decrease In Inventories | -11.98 | 21.34 | -10.56 | 0.71 | 2.04 | 29.34 | -8.66 | 6.12 | 9.64 | -4.08 | 6.86 | -3.28 | 3.57 | -0.47 | -0.38 | -4.46 | 2.40 | 4.51 | 5.29 | -2.35 | -3.70 | 6.24 | -3.82 | 4.12 | -12.42 | 7.35 | 1.42 | -8.28 | 5.22 | 4.91 | -0.91 | NA | NA | NA | |
| Increase Decrease In Accounts Payable | -2.75 | 3.18 | 3.69 | 22.57 | -11.54 | -3.27 | -1.99 | 12.17 | 5.60 | 23.46 | 5.23 | 13.24 | -6.92 | -0.07 | -1.01 | 7.92 | -21.94 | -15.73 | -11.48 | -4.21 | 4.67 | -10.70 | 32.29 | -3.26 | 19.72 | -11.27 | -1.30 | 24.74 | 1.11 | -17.51 | -6.00 | NA | NA | NA | |
| Deferred Income Tax Expense Benefit | 0.11 | 0.07 | 14.96 | -0.28 | -0.35 | -0.21 | 36.29 | 20.86 | -2.68 | -5.08 | 29.21 | -40.26 | -8.89 | 5.18 | 11.54 | 5.92 | -7.68 | 1.91 | -1.02 | -0.63 | -14.92 | -0.85 | -19.43 | 0.37 | -4.95 | 7.53 | 21.41 | 6.97 | -5.83 | -5.94 | 84.70 | NA | NA | NA | |
| Share Based Compensation | 2.24 | 5.12 | 1.58 | 1.68 | 1.99 | 4.79 | 1.20 | 1.22 | 1.27 | 4.20 | 2.02 | 1.89 | 1.21 | 1.51 | 2.12 | 2.21 | 2.24 | 5.01 | -0.59 | 2.97 | 2.92 | 7.45 | 2.60 | 2.98 | 2.81 | 1.85 | 7.01 | 4.60 | 6.71 | 3.76 | 4.55 | NA | NA | NA | |
| Amortization Of Financing Costs | 0.94 | 0.94 | 0.93 | 1.15 | 1.25 | 2.14 | 1.63 | 2.70 | 1.96 | 2.02 | 2.08 | 2.14 | 2.19 | 2.14 | 2.15 | 2.15 | 1.70 | 1.44 | 1.46 | 1.48 | 1.49 | 1.98 | 2.15 | 2.08 | 2.24 | 2.39 | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Investing Activities | -59.20 | -36.30 | -63.71 | -21.81 | -71.16 | -102.76 | -25.86 | -46.19 | -38.63 | -31.49 | -35.76 | -45.88 | -40.23 | -5.49 | -18.93 | -11.65 | -18.58 | -27.18 | -43.08 | -47.81 | -47.79 | -33.86 | -58.16 | -40.52 | -33.41 | -21.56 | -23.74 | -26.84 | -6.93 | 0.69 | -8.12 | NA | NA | NA | |
| Payments To Acquire Property Plant And Equipment | 55.41 | 42.35 | 50.04 | 41.67 | 42.33 | 33.76 | 37.05 | 58.40 | 39.42 | 36.64 | 29.43 | 45.86 | 43.66 | 13.80 | 20.05 | 19.51 | 19.27 | 27.18 | 38.26 | 48.52 | 48.78 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Cash Provided By Used In Financing Activities | -17.01 | -67.68 | -128.15 | -167.60 | -160.59 | -225.86 | -119.14 | -98.95 | -116.07 | -45.91 | -30.77 | -22.55 | 54.34 | -31.88 | -19.45 | -14.80 | -22.50 | -25.69 | -32.86 | -49.09 | -38.24 | -136.48 | -36.49 | -19.73 | -36.27 | -56.43 | 97.56 | -43.82 | -48.46 | -55.90 | -143.66 | NA | NA | NA | |
| Payments Of Dividends | 0.52 | 0.58 | 0.00 | 0.00 | 37.19 | 38.29 | 36.62 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Payments For Repurchase Of Common Stock | 13.00 | 57.88 | 122.00 | 136.86 | 65.40 | 75.12 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 1.42 | 21.77 | 9.55 | 0.00 | 16.11 | 6.44 | 2.00 | 1.28 | 0.00 | 0.00 | 0.00 | 0.00 | NA | NA | NA | NA |
| 2024-06-30 | 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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenues | 501.12 | 565.04 | 649.44 | 569.86 | 660.97 | 688.61 | 637.15 | 561.64 | 544.62 | 358.53 | 480.62 | 149.01 | 287.16 | 342.15 | 324.61 | 243.22 | 162.56 | 291.26 | 342.63 | 333.35 | 384.31 | 370.61 | 382.24 | 324.25 | 415.27 | 410.26 | 352.32 | 335.31 | 352.05 | 372.22 | 378.38 | 295.39 | 294.63 | 262.46 | |
| Coal Revenue | 409.32 | 447.93 | 532.27 | 449.62 | 541.10 | 583.38 | 536.99 | 472.61 | 532.69 | 476.37 | 288.10 | 258.56 | 259.83 | 285.54 | 230.52 | 184.38 | 102.31 | 255.45 | 303.87 | 301.54 | 350.62 | 332.50 | 347.79 | 294.80 | 370.70 | 351.01 | 288.25 | 279.25 | 303.71 | 316.45 | NA | NA | NA | NA | |
| Freight Revenue | 65.64 | 69.84 | 76.67 | 68.37 | 81.56 | 67.51 | 51.02 | 42.62 | 50.41 | 38.39 | 31.45 | 19.35 | 26.01 | 27.01 | 20.85 | 12.91 | 3.08 | 3.15 | 5.55 | 3.60 | 3.85 | 6.66 | 5.80 | 2.44 | 17.44 | 17.89 | 21.84 | 21.80 | 17.76 | 12.28 | NA | NA | NA | NA | |
| Gain On Sale Of Assets | 0.71 | 6.08 | NA | NA | 0.01 | 5.73 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Miscellaneous Other Income | 13.43 | 16.67 | NA | NA | 6.93 | 5.28 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Terminal Revenue | 12.02 | 24.53 | 25.41 | 22.68 | 31.37 | 26.71 | 20.90 | 14.84 | 21.78 | 21.40 | 15.49 | 14.11 | 17.38 | 18.21 | 17.40 | 17.01 | 15.90 | 16.50 | 16.53 | 16.30 | 16.71 | 17.82 | 16.93 | 16.11 | 16.66 | 15.22 | 17.26 | 15.06 | 14.86 | 12.89 | NA | NA | NA | NA | |
| Revenue From Contract With Customer Excluding Assessed Tax | 490.72 | 546.69 | 634.35 | 540.67 | 654.02 | 677.60 | 608.91 | 530.07 | 604.88 | 536.15 | 335.04 | 292.02 | 303.22 | 330.76 | 268.77 | 214.29 | 121.30 | 275.10 | 342.63 | 321.44 | 371.18 | 356.98 | 382.24 | 313.36 | 404.80 | 384.12 | 352.32 | 316.11 | 336.32 | 372.22 | 378.38 | 295.39 | 294.63 | 262.46 | |
| Corporate And Reconciling Items | 30.81 | 39.07 | 28.31 | 22.39 | 23.60 | 23.21 | 22.51 | 6.92 | 16.77 | 3.41 | 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 Reconciling Items, Coal Revenue | 24.88 | 31.74 | 23.26 | 18.53 | 19.92 | 20.04 | 20.70 | 6.92 | 13.75 | 3.41 | 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 Reconciling Items, Freight Revenue | 2.19 | 2.94 | 5.04 | 3.87 | 3.67 | 3.17 | 1.81 | 0.00 | 3.02 | NA | 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 Reconciling Items, Other Revenue | 3.74 | 4.39 | 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 | |
| Operating, Coal Revenue, Pennsylvania Mining Complex | 384.44 | 416.19 | 509.01 | 431.09 | 521.18 | 563.34 | 516.29 | 465.69 | 518.94 | 472.96 | 285.81 | 256.33 | 258.48 | 284.46 | 229.82 | 184.07 | 102.03 | 255.45 | 303.86 | 301.54 | 350.62 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating, Freight Revenue, Pennsylvania Mining Complex | 63.45 | 66.90 | 71.62 | 64.51 | 77.88 | 64.34 | 49.22 | 42.62 | 47.39 | 38.39 | 31.45 | 19.35 | 26.01 | 27.01 | 20.85 | 12.91 | 3.08 | 3.15 | 5.55 | 3.60 | 3.85 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating, Terminal Revenue, Consol Marine Terminal | 12.02 | 24.53 | 25.41 | 22.68 | 31.37 | 26.71 | 20.90 | 14.84 | 21.78 | 21.40 | 15.49 | 14.11 | 17.38 | 18.21 | 17.40 | 17.01 | 15.90 | 16.50 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating, Consol Marine Terminal | 12.02 | 24.53 | 25.41 | 22.68 | 31.37 | 26.71 | 20.90 | 14.84 | 21.78 | 21.40 | 15.49 | 14.11 | 17.38 | 18.21 | 17.40 | 17.01 | 15.90 | 16.50 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Operating, Pennsylvania Mining Complex | 447.89 | 483.09 | 580.63 | 495.60 | 599.06 | 627.67 | 565.50 | 508.31 | 566.33 | 511.35 | 317.25 | 275.67 | 284.49 | 311.48 | 250.67 | 196.97 | 105.11 | 258.60 | 309.42 | 305.14 | 354.47 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Customer A, Sales Revenue Net, Customer Concentration Risk | 60.98 | 74.26 | NA | 72.33 | 70.72 | 86.50 | NA | 100.64 | 124.47 | 66.29 | NA | NA | 41.00 | 57.68 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Customer B, Sales Revenue Net, Customer Concentration Risk | 45.35 | 64.48 | NA | 69.32 | 67.20 | 74.31 | NA | NA | 67.17 | NA | NA | 31.52 | 44.35 | 39.00 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Coal Revenue | 409.32 | 447.93 | 532.27 | 449.62 | 541.10 | 583.38 | 536.99 | 472.61 | 532.69 | 476.37 | 288.10 | 258.56 | 259.83 | 285.54 | 230.52 | 184.38 | 102.31 | 255.45 | 303.87 | 301.54 | 350.62 | 332.50 | 347.79 | 294.80 | 370.70 | 351.01 | 288.25 | 279.25 | 303.71 | 316.45 | NA | NA | NA | NA | |
| Freight Revenue | 65.64 | 69.84 | 76.67 | 68.37 | 81.56 | 67.51 | 51.02 | 42.62 | 50.41 | 38.39 | 31.45 | 19.35 | 26.01 | 27.01 | 20.85 | 12.91 | 3.08 | 3.15 | 5.55 | 3.60 | 3.85 | 6.66 | 5.80 | 2.44 | 17.44 | 17.89 | 21.84 | 21.80 | 17.76 | 12.28 | NA | NA | NA | NA | |
| Industrial | 129.97 | 152.77 | 182.45 | 180.78 | 217.29 | 192.12 | 83.81 | 55.83 | 141.70 | 99.49 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Metallurgical | 60.68 | 69.45 | 77.98 | 62.56 | 83.26 | 90.75 | 71.33 | 66.69 | 134.29 | 32.93 | 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 Revenue | 3.74 | 4.39 | 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 | |
| Power Generation | 218.67 | 225.71 | 271.85 | 206.28 | 240.55 | 300.51 | 381.85 | 350.04 | 256.73 | 343.96 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Terminal Revenue | 12.02 | 24.53 | 25.41 | 22.68 | 31.37 | 26.71 | 20.90 | 14.84 | 21.78 | 21.40 | 15.49 | 14.11 | 17.38 | 18.21 | 17.40 | 17.01 | 15.90 | 16.50 | 16.53 | 16.30 | 16.71 | 17.82 | 16.93 | 16.11 | 16.66 | 15.22 | 17.26 | 15.06 | 14.86 | 12.89 | NA | NA | NA | NA | |
| Public Utilities Inventory Coal | 409.32 | 447.93 | 532.27 | 449.62 | 541.10 | 583.38 | 536.99 | 472.61 | 532.69 | 476.37 | 288.10 | 258.56 | 259.83 | 285.54 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Industrial, Domestic Coal Revenue | 7.75 | 3.41 | 4.64 | 11.08 | 12.23 | 6.51 | 4.56 | 3.88 | 8.85 | 1.94 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Industrial, Export Coal Revenue | 122.23 | 149.36 | 177.81 | 169.71 | 205.06 | 185.61 | 79.25 | 51.96 | 132.85 | 97.55 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Metallurgical, Domestic Coal Revenue | 9.77 | 13.26 | 0.04 | 0.00 | 6.30 | 4.33 | 13.10 | 3.54 | 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 | |
| Metallurgical, Export Coal Revenue | 50.91 | 56.20 | 77.93 | 62.56 | 76.96 | 86.42 | 58.23 | 63.15 | 134.29 | 32.93 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Power Generation, Domestic Coal Revenue | 186.66 | 164.73 | 195.91 | 169.14 | 122.78 | 184.68 | 250.04 | 231.27 | 203.85 | 223.50 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Power Generation, Export Coal Revenue | 32.01 | 60.97 | 75.94 | 37.13 | 117.77 | 115.83 | 131.81 | 118.77 | 52.88 | 120.45 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Public Utilities Inventory Coal, Domestic Coal Revenue | 204.17 | 181.40 | 200.59 | 180.22 | 141.31 | 195.51 | 267.70 | 238.69 | 212.70 | 225.45 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | |
| Public Utilities Inventory Coal, Export Coal Revenue | 205.16 | 266.53 | 331.68 | 269.40 | 399.79 | 387.87 | 269.30 | 233.87 | 320.02 | 250.94 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
