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Tables

		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	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
Common Stock Value		92.12	91.82	91.80	91.80	91.79	91.48	91.47	91.45	91.44	91.18	91.17	91.16	91.15	90.95	90.94	86.56	86.55	86.31	86.31	86.30	86.27	85.96	85.94	85.88	85.76	85.54	85.47	85.38	85.29	83.52	83.48	83.33	83.27	83.17	83.04	82.81	82.70	82.54	82.34
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	NA	NA	NA	NA	NA
Weighted Average Number Of Diluted Shares Outstanding		92.44	NA	92.29	92.26	92.27	NA	92.17	92.06	92.03	NA	91.76	91.65	91.51	NA	88.32	86.56	86.88	NA	86.84	86.77	86.71	NA	86.50	86.32	86.33	NA	86.06	86.01	85.80	84.16	84.01	NA	83.67	83.68	83.70	NA	83.78	83.67	83.42
Weighted Average Number Of Shares Outstanding Basic		91.91	NA	91.80	91.79	91.58	NA	91.46	91.44	91.27	NA	91.17	91.16	91.01	NA	87.97	86.56	86.38	NA	86.31	86.29	86.03	NA	85.93	85.81	85.63	NA	85.42	85.33	85.19	83.50	83.39	NA	83.23	83.11	82.87	NA	82.69	82.40	82.22
Earnings Per Share Basic		1.45	0.80	1.01	1.53	1.85	1.73	1.18	1.83	1.45	0.95	0.95	1.23	0.85	-1.60	0.47	-1.23	1.00	0.55	0.74	1.05	1.19	0.44	0.73	1.07	2.32	0.53	0.70	1.05	1.04	1.03	0.81	0.59	0.52	0.81	0.73	0.45	0.57	1.40	0.71
Earnings Per Share Diluted		1.44	0.80	1.00	1.53	1.84	1.72	1.17	1.82	1.44	0.95	0.94	1.23	0.85	-1.60	0.47	-1.23	1.00	0.54	0.73	1.04	1.18	0.44	0.73	1.06	2.30	0.53	0.69	1.04	1.04	1.02	0.81	0.58	0.52	0.81	0.73	0.45	0.56	1.38	0.70

		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	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
Revenue From Contract With Customer Excluding Assessed Tax		500.05	450.07	428.70	717.26	814.90	1310.38	502.62	701.72	546.56	355.99	394.40	551.12	441.16	287.99	323.02	491.10	444.19	293.34	357.20	552.54	499.60	289.20	342.91	540.90	419.65	286.94	348.37	522.08	422.50	597.83	452.85	313.26	328.86	552.31	432.42	286.03	380.98	660.88	450.95
Revenues		525.36	368.95	428.70	717.26	658.86	435.15	502.62	701.72	546.56	355.99	394.40	551.12	441.16	287.99	323.02	491.10	444.19	293.34	357.20	552.54	490.25	289.20	342.91	540.90	419.65	286.94	348.37	522.08	422.50	597.83	452.85	313.26	328.86	552.31	432.42	286.03	380.98	660.88	450.95
Cost Of Goods And Services Sold		56.55	-12.87	35.42	243.84	171.20	22.93	67.95	199.59	101.63	-5.19	18.74	106.66	51.62	-5.77	29.12	118.27	92.27	4.73	47.84	195.04	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Costs And Expenses		318.25	243.64	274.61	495.88	404.49	257.35	334.66	455.35	336.90	223.72	244.33	337.08	348.68	461.97	242.62	515.67	296.17	209.40	244.37	399.19	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating Income Loss		207.11	125.30	154.10	221.38	254.37	177.79	180.70	246.37	209.66	132.27	150.07	214.04	143.54	-173.98	80.40	-24.58	148.02	83.94	112.83	153.36	161.68	80.63	107.76	156.70	142.00	87.39	123.35	169.96	172.14	162.99	131.21	107.27	90.29	132.10	118.39	75.19	94.81	153.76	117.41
Interest Expense Long Term Debt		28.46	28.45	26.31	27.58	29.60	30.21	30.09	30.08	30.13	30.16	30.22	48.82	32.26	32.16	27.14	25.27	25.44	25.60	25.30	25.27	25.44	28.53	27.18	27.15	28.09	29.23	29.23	28.91	29.10	22.79	21.45	21.41	21.53	20.43	18.64	17.57	17.88	17.93	20.19
Income Tax Expense Benefit		43.09	24.11	32.94	49.94	57.55	-18.64	32.92	57.46	44.90	14.72	30.34	40.21	29.42	-62.64	13.13	36.85	31.39	11.41	21.11	29.79	22.91	16.33	19.18	38.27	-81.28	15.49	35.79	52.97	56.43	55.19	43.55	38.73	26.23	44.87	40.73	23.18	31.02	72.14	38.05
Other Comprehensive Income Loss Net Of Tax		122.44	-5.68	5.48	238.88	331.99	-42.87	71.39	-377.23	236.57	-275.13	-136.47	-22.25	35.02	-72.96	-22.88	37.23	-4.00	-19.49	21.62	-25.60	39.06	4.65	-24.64	-6.84	-10.80	3.18	0.79	20.77	-49.22	-32.38	14.38	-51.08	3.95	1.24	-5.43	27.40	17.42	-27.87	NA
Net Income Loss		133.02	73.68	92.62	140.88	169.69	158.14	108.16	167.33	132.39	86.96	86.47	112.44	77.77	-145.54	41.25	-106.07	86.59	47.28	63.75	90.59	102.66	37.99	63.02	91.85	198.65	45.58	59.71	89.28	88.91	85.72	67.94	48.80	43.18	67.39	60.70	37.36	46.89	115.61	58.54

		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	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
Assets		8587.49	8280.26	8106.63	7967.24	8134.91	7896.26	8112.09	7805.02	7589.67	7464.82	7208.68	7115.65	7039.17	6964.94	7118.98	6708.66	6702.66	6462.16	6336.25	6278.98	6186.93	6036.49	5974.10	5914.57	5791.93	6103.32	5867.51	5804.68	5661.72	6274.69	6108.20	5935.14	5836.85	5835.50	5747.76	5284.74	5133.27	5183.32	4981.98
Liabilities And Stockholders Equity		8587.49	8280.26	8106.63	7967.24	8134.91	7896.26	8112.09	7805.02	7589.67	7464.82	7208.68	7115.65	7039.17	6964.94	7118.98	6708.66	6702.66	6462.16	6336.25	6278.98	6186.93	6036.49	5974.10	5914.57	5791.93	6103.32	5867.51	5804.68	5661.72	6274.69	6108.20	5935.14	5836.85	5835.50	5747.76	5284.74	5133.27	5183.32	4981.98
Stockholders Equity		67.38	-55.06	NA	NA	-293.75	-625.73	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	NA	NA	NA	NA	NA

		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	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
Assets Current		453.60	414.43	407.29	543.36	872.83	761.13	1150.35	671.12	567.19	522.45	439.56	457.18	453.44	314.20	831.71	496.27	430.70	362.62	403.30	506.30	522.84	544.59	589.00	592.99	521.55	818.28	542.18	556.95	467.71	489.95	394.37	355.58	388.37	516.41	589.11	385.31	520.79	620.12	525.61
Cash And Cash Equivalents At Carrying Value		41.69	55.45	53.41	71.53	244.47	46.05	432.58	52.57	79.06	31.53	118.01	80.47	109.41	20.54	556.26	111.66	34.97	20.43	87.52	100.64	109.75	229.61	313.31	227.99	166.29	555.53	285.32	231.17	136.49	112.41	61.02	74.49	140.81	192.24	224.26	80.43	184.71	144.77	79.62
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents		41.69	55.45	53.41	71.53	246.07	137.72	587.05	154.94	79.06	120.14	119.72	80.47	109.41	20.54	563.96	122.38	44.63	27.26	94.35	102.63	112.54	233.05	315.59	231.65	170.75	557.27	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Inventory Raw Materials And Supplies		47.69	48.99	48.29	45.20	43.60	40.64	39.63	48.89	47.35	53.56	53.74	52.21	51.69	51.88	51.40	48.11	40.37	40.72	39.01	37.70	34.95	35.82	34.69	34.77	35.14	33.93	34.71	34.70	34.17	31.54	29.95	28.58	28.14	28.39	27.26	27.93	28.92	31.71	31.56
Other Assets Current		99.40	100.26	71.59	75.23	61.12	59.37	61.36	68.27	64.31	59.66	51.97	56.12	47.90	47.56	47.65	100.19	96.83	97.05	56.05	57.59	69.22	68.02	52.69	60.32	47.91	51.51	50.85	51.59	49.78	51.73	49.11	56.12	48.25	40.35	43.52	38.33	44.79	58.52	107.20

		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	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
Property Plant And Equipment Gross		13857.06	13635.30	13326.56	12978.14	12773.47	12551.91	12299.55	13457.34	13293.19	13103.64	12834.69	12648.60	12495.23	12351.85	11710.16	11559.53	11402.31	11204.84	10988.43	10788.89	10604.09	10439.84	10254.98	10126.93	10023.25	9945.56	9816.30	9704.13	9620.01	6954.18	6791.64	6615.81	6438.52	6180.83	5922.31	5646.92	5392.06	6019.45	5837.36
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment		6435.13	6335.44	6245.65	6162.41	6074.63	5985.43	5914.10	6882.96	6802.44	6719.36	6649.04	6572.53	6503.56	6353.78	6088.80	6003.66	5756.08	5695.33	5636.06	5573.02	5520.47	5462.70	5411.75	5344.13	5294.21	5271.49	5232.77	5185.08	5133.88	2007.54	1935.45	1876.01	1817.65	1750.64	1694.37	1646.39	1607.09	2285.31	2236.15
Property Plant And Equipment Net		7421.93	7299.86	7080.91	6815.73	6698.84	6566.48	6385.45	6574.38	6490.76	6384.28	6185.66	6076.07	5991.67	5998.07	5621.35	5555.87	5646.22	5509.51	5352.37	5215.87	5083.62	4977.14	4843.23	4782.80	4729.04	4674.07	4583.52	4519.06	4486.13	4946.65	4856.19	4739.80	4620.87	4430.19	4227.94	4000.52	3784.98	3734.14	3601.21
Other Assets Noncurrent		4.55	4.89	3.75	1.90	1.58	2.68	3.49	NA	NA	1.17	NA	NA	0.08	0.08	0.08	0.08	21.35	0.08	42.63	42.18	42.19	0.10	0.11	0.43	0.75	0.74	0.48	0.48	0.49	0.84	0.96	1.10	2.42	2.59	2.65	1.53	1.65	1.75	1.84

		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	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
Liabilities Current		807.25	806.31	665.70	917.30	1535.04	1942.57	2166.45	2006.16	896.14	1236.13	600.60	402.97	906.18	459.57	342.36	583.82	546.46	421.91	395.93	433.00	419.08	440.06	661.46	379.89	365.29	646.04	602.13	325.89	306.20	373.40	772.90	734.48	667.05	726.46	420.96	528.62	513.31	603.62	531.82
Accounts Payable Current		105.39	152.19	91.81	119.50	168.39	178.94	145.32	135.78	129.93	171.66	113.47	107.31	96.91	134.13	94.12	106.94	126.98	132.21	112.78	141.85	127.93	160.03	111.81	127.58	132.41	126.44	98.84	111.38	113.14	95.09	94.91	87.98	88.12	98.05	105.21	126.71	95.18	122.91	181.56
Other Accrued Liabilities Current		48.93	48.81	NA	NA	NA	57.63	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	161.25	147.55	121.60	111.89	107.10	106.29	88.52	140.06	103.58	79.10	160.90	197.95	146.25	94.79	133.86	160.36	30.84
Dividends Payable Current		45.60	45.45	45.44	43.60	43.60	43.45	43.45	41.61	41.60	41.49	41.48	40.56	40.56	40.48	40.47	37.65	37.65	37.55	37.54	36.68	36.66	36.53	36.53	35.64	35.59	35.50	35.47	34.58	34.54	30.49	0.00	30.42	30.39	29.53	29.48	29.40	29.36	28.48	28.41
Accrued Liabilities Current		200.01	160.97	260.90	257.92	239.10	257.33	254.38	218.14	187.97	194.17	168.38	176.94	154.38	140.18	138.34	150.24	173.60	139.60	180.06	195.80	191.17	132.69	38.08	33.67	37.76	38.67	34.18	33.17	35.95	21.90	26.32	4.39	NA	NA	NA	7.15	NA	NA	NA

		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	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
Liabilities Noncurrent		2220.72	2126.09	2121.34	2085.98	1978.65	1790.39	1859.23	1853.67	1953.74	1813.80	1969.10	1986.68	1957.89	1903.80	1921.99	1909.92	1839.72	1767.51	1663.47	1622.98	1588.97	1527.73	1549.68	1530.48	1482.26	1669.87	1793.37	1740.08	1699.76	2210.18	2170.09	2091.57	2031.57	1993.15	2006.64	1965.24	1870.34	1864.18	1796.22
Long Term Debt		2385.52	2384.49	2383.68	2085.24	2483.36	2632.41	2631.46	2630.53	2629.60	2628.69	2627.86	2627.03	2630.47	2629.58	2628.78	2134.96	2134.34	2133.72	2133.10	2132.49	2131.88	2131.36	2085.58	2085.01	2084.47	2383.68	2087.95	NA	NA	NA	NA	1399.00	NA	NA	NA	1049.00	NA	NA	NA
Long Term Debt Noncurrent		2385.52	2384.49	2383.68	2085.24	2084.36	2083.41	2082.46	2081.53	2629.60	2628.69	2627.86	2627.03	2130.47	2629.58	2628.78	2134.96	2134.34	2133.72	2133.10	2132.49	2131.88	2131.36	1835.58	2085.01	2084.47	2083.68	1787.95	NA	NA	1649.00	1149.00	1149.00	1149.00	1149.00	1399.00	899.00	899.00	899.00	899.00
Deferred Income Tax Liabilities Net		1164.51	1124.17	1030.53	1000.53	879.68	698.23	767.21	709.60	799.60	660.42	742.64	763.44	735.24	696.05	783.38	777.30	708.77	653.38	647.60	NA	NA	512.69	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Other Liabilities Noncurrent		120.06	121.81	116.77	112.29	119.28	116.70	133.43	134.73	136.92	135.85	NA	NA	NA	139.18	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		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	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
Stockholders Equity		67.38	-55.06	NA	NA	-293.75	-625.73	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	NA	NA	NA	NA	NA
Stockholders Equity Including Portion Attributable To Noncontrolling Interest		3174.00	2963.38	2935.90	2878.73	2536.86	2079.90	2003.95	1863.66	2110.20	1786.21	2011.11	2098.97	2044.62	1971.99	2225.86	2079.96	2182.14	2139.03	2143.75	2090.51	2046.99	1937.33	1927.38	1919.19	1859.92	1703.73	1684.05	1651.32	1568.94	2042.11	2016.21	1960.10	1989.24	1966.89	1921.15	1891.88	1850.61	1816.52	1754.94
Common Stock Value		92.12	91.82	91.80	91.80	91.79	91.48	91.47	91.45	91.44	91.18	91.17	91.16	91.15	90.95	90.94	86.56	86.55	86.31	86.31	86.30	86.27	85.96	85.94	85.88	85.76	85.54	85.47	85.38	85.29	83.52	83.48	83.33	83.27	83.17	83.04	82.81	82.70	82.54	82.34
Additional Paid In Capital		1041.23	1040.76	1035.85	1031.34	1025.64	1027.07	1022.95	1018.78	1013.82	1017.45	1012.70	1009.08	1004.37	1004.16	999.06	835.44	831.15	832.26	827.24	821.84	817.08	820.22	816.39	810.13	800.35	796.65	790.29	782.69	775.87	676.62	673.61	669.50	666.01	660.50	654.00	650.75	644.95	645.96	643.86
Retained Earnings Accumulated Deficit		1973.28	1885.86	1857.63	1810.45	1713.18	1587.09	1472.39	1407.68	1281.96	1191.17	1145.70	1100.72	1028.84	991.63	1177.65	1176.87	1320.59	1272.60	1262.87	1236.66	1172.33	1098.90	1097.44	1070.94	1014.73	851.67	841.59	817.35	762.64	1399.00	1343.77	1306.28	1287.90	1275.11	1237.24	1206.02	1198.06	1180.53	1093.40
Accumulated Other Comprehensive Income Loss Net Of Tax		67.38	-55.06	-49.38	-54.86	-293.75	-625.73	-582.87	-654.25	-277.03	-513.60	-238.46	-101.99	-79.74	-114.76	-41.79	-18.92	-56.15	-52.16	-32.67	-54.29	-28.69	-67.75	-72.40	-47.76	-40.92	-30.12	-33.30	-34.09	-54.86	-117.02	-84.64	-99.02	-47.94	-51.89	-53.13	47.70	-75.10	-92.52	-64.65

		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	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
Net Cash Provided By Used In Operating Activities		270.94	181.96	343.90	383.87	327.34	158.50	228.40	254.14	171.48	119.74	254.68	212.39	204.74	116.94	232.88	223.24	167.75	123.93	229.72	236.46	104.37	NA	NA	NA	NA	NA	NA	NA	NA	220.90	145.96	119.80	202.09	259.67	79.23	141.00	193.06	255.75	87.47
Net Cash Provided By Used In Investing Activities		-247.86	-283.25	-344.45	-275.81	-208.84	-224.18	63.68	-188.49	-169.71	-236.25	-174.78	-155.32	-66.87	-649.69	-182.61	-198.04	-193.28	-208.66	-201.32	-209.08	-180.12	NA	NA	NA	NA	NA	NA	NA	NA	-176.67	-166.51	-258.18	-277.77	-266.76	-233.64	-259.81	-121.78	-143.97	-192.10
Net Cash Provided By Used In Financing Activities		-36.85	103.32	-17.57	-282.60	-10.15	-383.65	140.03	10.23	-42.85	116.92	-40.64	-86.02	-49.00	-10.67	391.31	52.54	42.91	17.64	-36.68	-37.30	-44.77	NA	NA	NA	NA	NA	NA	NA	NA	7.17	7.08	72.06	24.25	-24.93	298.24	14.52	-31.34	-48.64	-210.92

		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	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
Net Cash Provided By Used In Operating Activities		270.94	181.96	343.90	383.87	327.34	158.50	228.40	254.14	171.48	119.74	254.68	212.39	204.74	116.94	232.88	223.24	167.75	123.93	229.72	236.46	104.37	NA	NA	NA	NA	NA	NA	NA	NA	220.90	145.96	119.80	202.09	259.67	79.23	141.00	193.06	255.75	87.47
Net Income Loss		133.02	73.68	92.62	140.88	169.69	158.14	108.16	167.33	132.39	86.96	86.47	112.44	77.77	-145.54	41.25	-106.07	86.59	47.28	63.75	90.59	102.66	37.99	63.02	91.85	198.65	45.58	59.71	89.28	88.91	85.72	67.94	48.80	43.18	67.39	60.70	37.36	46.89	115.61	58.54
Depreciation Depletion And Amortization		115.79	109.60	102.41	100.96	96.60	94.11	95.86	91.25	88.58	83.67	84.17	84.34	83.12	80.10	73.23	77.91	74.92	74.67	71.07	65.66	64.25	63.16	60.82	61.16	55.83	55.38	55.62	57.00	56.20	80.03	72.33	71.61	74.23	63.15	62.55	55.91	57.29	60.01	53.31
Increase Decrease In Inventories		-6.92	20.16	9.49	-15.62	-5.62	21.03	7.90	-14.93	-17.11	21.04	8.23	-13.38	-13.87	18.22	8.49	-13.10	-6.99	21.26	11.54	-20.74	-8.35	22.85	9.17	-17.67	-10.34	17.12	8.78	-13.88	-10.60	-28.45	-3.94	25.45	6.30	-39.38	2.23	32.32	7.76	-35.97	5.83
Share Based Compensation		4.66	4.82	4.52	5.71	5.58	4.33	4.55	5.14	5.49	4.77	3.64	4.72	3.93	5.21	2.14	4.31	3.27	5.04	5.41	5.42	5.31	3.99	3.91	3.96	3.90	3.40	3.23	3.15	2.48	3.29	3.30	NA	NA	NA	NA	NA	NA	NA	NA

		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	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
Net Cash Provided By Used In Investing Activities		-247.86	-283.25	-344.45	-275.81	-208.84	-224.18	63.68	-188.49	-169.71	-236.25	-174.78	-155.32	-66.87	-649.69	-182.61	-198.04	-193.28	-208.66	-201.32	-209.08	-180.12	NA	NA	NA	NA	NA	NA	NA	NA	-176.67	-166.51	-258.18	-277.77	-266.76	-233.64	-259.81	-121.78	-143.97	-192.10
Payments To Acquire Property Plant And Equipment		246.94	282.13	231.38	262.89	233.47	219.34	177.07	201.92	213.49	238.96	173.91	155.57	183.30	165.15	155.52	196.99	198.50	201.50	200.86	209.01	177.57	180.01	142.27	119.11	142.61	135.56	106.54	102.18	106.05	176.76	162.98	259.89	277.29	266.94	232.67	253.87	191.40	200.29	192.05

		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	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
Net Cash Provided By Used In Financing Activities		-36.85	103.32	-17.57	-282.60	-10.15	-383.65	140.03	10.23	-42.85	116.92	-40.64	-86.02	-49.00	-10.67	391.31	52.54	42.91	17.64	-36.68	-37.30	-44.77	NA	NA	NA	NA	NA	NA	NA	NA	7.17	7.08	72.06	24.25	-24.93	298.24	14.52	-31.34	-48.64	-210.92
Payments Of Dividends Common Stock		45.45	45.44	43.60	43.60	43.45	43.45	41.61	41.60	41.49	41.48	40.57	40.56	40.48	40.47	37.65	37.65	37.55	37.54	36.68	36.66	36.53	36.53	35.64	35.59	35.50	35.47	34.58	34.54	34.47	0.00	60.88	30.39	29.53	29.48	29.40	29.36	28.48	28.41	28.32

		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	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
Revenues		525.36	368.95	428.70	717.26	658.86	435.15	502.62	701.72	546.56	355.99	394.40	551.12	441.16	287.99	323.02	491.10	444.19	293.34	357.20	552.54	490.25	289.20	342.91	540.90	419.65	286.94	348.37	522.08	422.50	597.83	452.85	313.26	328.86	552.31	432.42	286.03	380.98	660.88	450.95
Intersegment Elimination		-87.67	NA	NA	NA	-83.86	NA	NA	NA	NA	NA	NA	NA	NA	NA	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating, Exploration And Production		254.02	220.35	216.58	244.55	276.97	252.04	252.64	261.59	244.20	215.58	209.53	220.19	191.40	154.72	131.23	155.56	165.94	164.89	158.88	146.10	162.88	143.17	135.83	146.41	139.14	142.95	151.16	159.55	160.93	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating, Gathering		62.59	221.31	4.63	1.73	2.65	2.02	2.86	3.16	4.04	1.51	0.59	0.67	0.35	0.07	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.00	-0.03	-0.10	0.17	0.03	0.03	0.03	0.03	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating, Pipeline And Storage		94.41	184.39	62.96	64.22	67.62	68.84	67.24	67.80	61.55	58.52	57.26	59.31	59.31	54.09	51.02	51.92	48.97	47.15	46.02	48.42	54.22	51.96	51.36	53.71	53.31	50.40	50.05	53.16	53.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating, Utility		202.01	79.45	144.54	406.76	311.62	112.25	179.89	369.09	236.68	80.30	126.93	270.78	188.90	73.00	124.39	250.56	194.91	67.19	129.98	298.64	220.01	75.23	128.63	283.78	187.09	76.08	121.90	257.95	170.97	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Commodity Contract, Reclassification Out Of Accumulated Other Comprehensive Income, Accumulated Gain Loss Net Cash Flow Hedge Parent		19.75	32.07	57.84	-18.77	-159.16	-291.32	-298.37	-130.27	-162.63	-66.62	-13.28	-3.76	-0.31	26.03	36.73	23.40	7.54	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Foreign Exchange Contract, Reclassification Out Of Accumulated Other Comprehensive Income, Accumulated Gain Loss Net Cash Flow Hedge Parent		-0.05	NA	NA	NA	-0.18	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Explorationand Productionand Other Category		254.02	220.35	216.58	244.55	276.97	252.03	252.64	261.68	244.28	215.66	209.62	220.28	192.03	155.81	132.34	156.54	167.19	166.26	159.86	146.47	163.94	144.00	137.49	147.87	140.45	144.05	151.93	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Pipelineand Storageand Gathering		69.42	69.73	67.58	65.95	70.27	70.86	70.10	70.95	65.59	60.02	57.85	59.98	59.66	54.16	51.02	51.92	48.97	47.15	46.02	48.42	54.22	51.96	51.33	53.62	53.48	50.43	50.08	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Total Utility		201.92	NA	144.54	406.76	311.62	NA	179.89	369.09	236.68	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
Revenue From Contract With Customer Excluding Assessed Tax		500.05	450.07	428.70	717.26	814.90	1310.38	502.62	701.72	546.56	355.99	394.40	551.12	441.16	287.99	323.02	491.10	444.19	293.34	357.20	552.54	499.60	289.20	342.91	540.90	419.65	286.94	348.37	522.08	422.50	597.83	452.85	313.26	328.86	552.31	432.42	286.03	380.98	660.88	450.95
Intersegment Elimination		-87.67	NA	NA	NA	-83.86	NA	NA	NA	NA	NA	NA	NA	NA	NA	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Intersegment Elimination, Natural Gas Industrial Sales		-0.00	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
Intersegment Elimination, Natural Gas Midstream		-57.99	NA	NA	NA	-53.77	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Intersegment Elimination, Natural Gas Storage		-9.06	NA	NA	NA	-9.00	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
Intersegment Elimination, Oil And Gas Service		-20.36	NA	NA	NA	-20.82	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Intersegment Elimination, Product And Service Other		-0.25	NA	NA	NA	-0.28	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	NA	NA	NA	NA	NA	NA
Operating, Natural Gas Commercial Sales, Utility		20.28	NA	NA	NA	34.49	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
Operating, Natural Gas Industrial Sales, Utility		0.91	NA	NA	NA	1.64	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Natural Gas Processing, Exploration And Production		0.27	NA	NA	NA	0.37	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Natural Gas Residential Sales, Utility		146.55	NA	NA	NA	244.31	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Productionof Crude Oil, Exploration And Production		0.69	NA	NA	NA	0.63	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Natural Gas Midstream, Gathering		62.59	NA	NA	NA	56.41	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating, Natural Gas Production, Exploration And Production		232.66	NA	NA	NA	432.36	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Natural Gas Storage, Pipeline And Storage		21.29	NA	NA	NA	21.29	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Oil And Gas Service, Pipeline And Storage		71.62	NA	NA	NA	76.20	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Oil And Gas Service, Utility		29.29	NA	NA	NA	28.38	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Product And Service Other, Exploration And Production		0.65	NA	NA	NA	2.77	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Product And Service Other, Pipeline And Storage		1.50	NA	NA	NA	0.17	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Product And Service Other, Utility		-0.57	NA	NA	NA	-0.26	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Exploration And Production		234.26	NA	NA	NA	436.13	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	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, Gathering		62.59	221.31	4.63	1.73	56.41	204.78	2.86	3.16	4.04	1.51	0.59	0.67	0.35	0.07	0.00	0.00	0.00	0.01	0.00	0.00	0.00	0.00	-0.03	-0.10	0.17	0.03	0.03	0.03	0.03	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating, Pipeline And Storage		94.41	184.39	62.96	64.22	97.66	180.47	67.24	67.80	61.55	58.52	57.26	59.31	59.31	54.09	51.02	51.92	48.97	47.15	46.02	48.42	54.22	51.96	51.36	53.71	53.31	50.40	50.05	53.16	53.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Operating, Utility		196.45	NA	NA	NA	308.56	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Natural Gas Commercial Sales		20.28	NA	NA	NA	34.49	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	22.05	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Natural Gas Industrial Sales		0.90	NA	NA	NA	1.64	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	1.50	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Natural Gas Processing		0.27	NA	NA	NA	0.37	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0.97	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Natural Gas Residential Sales		146.55	NA	NA	NA	244.31	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	166.87	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Productionof Crude Oil		0.69	NA	NA	NA	0.63	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	37.55	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Natural Gas Midstream		4.60	NA	NA	NA	2.65	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Natural Gas Production		232.66	NA	NA	NA	432.36	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	135.91	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Natural Gas Storage		12.23	NA	NA	NA	12.29	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	10.96	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Oil And Gas Service		80.54	NA	NA	NA	83.76	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	74.70	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Product And Service Other		1.33	NA	NA	NA	2.40	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	0.13	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA