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Tables

		2024-12-31	2024-09-30	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	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	2010-03-31
Common Stock Value		211.22	211.11	211.03	210.90	210.45	210.34	210.30	210.15	209.69	209.56	209.51	209.34	208.90	208.78	208.74	208.58	208.07	207.92	207.88	207.66	206.97	206.84	206.66	206.45	205.70	205.57	205.46	205.28	204.57	204.36	204.30	204.06	203.24	203.01	202.90	202.52	201.72	201.35	201.17	200.86	199.90	199.51	199.40	199.07	198.24	197.91	197.82	197.42	196.39	196.03	195.92	195.62	194.49	194.09	193.98	193.68	192.72	NA	NA	NA
Weighted Average Number Of Diluted Shares Outstanding		NA	61.29	60.90	61.21	NA	61.02	60.94	60.91	NA	60.84	60.85	60.82	NA	60.59	60.49	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
Weighted Average Number Of Shares Outstanding Basic		NA	60.88	60.90	60.83	NA	60.68	60.61	60.54	NA	60.40	60.44	60.38	NA	60.23	60.16	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Earnings Per Share Basic		1.53	1.48	-1.08	1.32	2.02	1.43	0.93	1.49	1.39	0.67	0.62	0.89	1.60	1.19	1.99	1.78	2.12	1.17	0.57	0.26	1.38	0.94	1.22	1.04	0.77	0.94	1.00	0.32	0.52	0.80	0.71	0.87	0.68	0.66	0.75	0.64	0.79	0.82	0.59	0.70	0.73	0.94	0.52	0.32	0.45	0.59	0.49	0.38	0.02	0.33	0.01	0.33	0.30	-0.37	0.04	0.40	0.44	0.32	0.35	0.11
Earnings Per Share Diluted		1.52	1.47	-1.08	1.31	2.01	1.42	0.92	1.48	1.38	0.66	0.61	0.89	1.58	1.18	1.98	1.77	2.10	1.16	0.57	0.25	1.36	0.93	1.21	1.02	0.76	0.93	0.99	0.32	0.51	0.79	0.70	0.85	0.67	0.66	0.74	0.63	0.78	0.81	0.58	0.69	0.72	0.93	0.51	0.31	0.44	0.57	0.48	0.38	0.02	0.33	0.01	0.33	0.29	-0.37	0.04	0.39	0.43	0.32	0.35	0.11

		2024-12-31	2024-09-30	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	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	2010-03-31
Revenues		1256.39	1244.31	1196.01	1164.96	1110.68	1081.08	1040.52	999.82	952.16	895.02	864.82	846.06	869.70	865.04	840.52	803.91	798.43	776.57	682.45	664.83	728.90	710.42	708.20	698.96	643.00	664.47	651.92	626.69	633.74	621.29	614.49	600.47	582.36	581.69	568.75	551.47	545.53	540.46	521.97	523.89	503.58	515.36	506.85	509.07	488.03	486.81	468.94	459.95	448.98	436.87	428.91	419.35	400.38	394.07	399.57	403.46	394.09	389.70	387.72	393.11
Net Investment Income		122.80	117.76	108.64	107.85	98.58	100.86	97.70	91.51	81.44	63.89	70.22	72.60	80.11	93.03	83.73	69.72	68.51	68.19	34.44	55.97	57.59	55.83	58.51	50.62	54.11	52.44	45.55	43.23	42.59	40.45	41.43	37.42	35.43	33.38	31.18	30.77	30.11	32.06	32.23	26.92	32.11	34.29	36.77	35.53	35.31	32.46	34.00	32.87	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Gain Loss On Investments		-8.00	5.39	1.30	-1.64	5.41	-6.88	-5.43	3.34	-5.89	-25.68	-42.88	-40.35	2.25	0.18	10.06	5.12	20.08	7.72	12.65	-44.67	-0.87	-2.18	4.03	13.45	-37.94	-4.79	-1.65	-10.55	-1.13	6.80	1.73	-1.04	NA	NA	NA	NA	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 Income		8.55	8.93	5.83	7.80	5.48	5.18	6.10	2.63	3.84	2.93	3.04	1.53	2.81	4.59	6.21	4.11	4.94	6.12	4.68	1.82	3.82	3.16	3.05	2.32	1.54	2.54	3.18	2.18	2.19	1.99	3.29	3.24	1.86	2.20	3.87	0.95	1.94	0.70	2.85	1.97	2.01	3.20	1.91	9.82	2.62	3.36	3.54	2.78	1.99	1.08	2.51	3.53	1.74	1.36	2.50	2.88	2.93	1.95	2.25	2.27
Operating Costs And Expenses		5.29	4.66	9.15	15.50	3.38	5.87	9.33	12.11	6.67	5.52	7.90	11.02	5.37	4.27	9.11	9.55	6.10	3.90	6.34	9.06	2.56	6.37	9.57	12.41	3.38	7.45	3.28	11.33	9.59	6.29	8.46	11.92	NA	NA	NA	NA	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 Expense Debt		7.25	7.25	7.20	7.18	7.19	7.19	7.26	7.17	7.25	7.18	7.25	7.17	7.20	7.24	7.37	7.36	7.53	7.78	7.93	7.60	7.38	7.40	7.37	11.53	6.07	6.07	6.12	6.15	6.08	6.08	6.08	6.11	5.83	5.71	5.62	5.61	5.97	5.49	5.49	5.48	5.54	5.56	5.42	5.56	5.57	5.57	5.57	5.83	4.72	4.72	4.72	4.70	4.58	4.56	4.56	4.56	4.56	4.56	4.66	4.84
Interest Paid Net		5.71	8.61	5.67	8.54	5.65	8.55	5.64	8.53	3.94	8.46	5.72	8.52	5.65	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
Income Tax Expense Benefit		23.54	24.21	-16.78	20.05	32.13	23.31	15.55	22.18	21.24	10.11	10.38	13.56	24.86	18.93	31.32	26.36	31.98	15.38	8.51	0.76	19.43	15.03	17.96	12.35	6.38	11.70	13.71	1.01	37.91	20.60	17.50	17.13	10.97	16.94	18.71	14.84	18.41	18.84	13.00	16.58	15.85	22.16	10.18	7.11	8.91	11.83	9.08	6.56	-6.49	2.04	-0.98	5.10	3.77	-21.34	-1.10	6.22	5.59	3.23	2.76	1.05
Income Taxes Paid Net		3.00	0.00	NA	NA	22.70	23.00	NA	NA	14.00	20.80	41.00	-0.80	7.00	27.00	NA	NA	13.00	34.00	0.00	0.00	13.82	14.00	28.00	0.00	22.00	3.00	7.00	-2.81	23.00	12.00	27.00	0.00	10.00	7.41	21.00	8.00	21.00	10.00	4.50	4.00	18.00	1.00	1.70	2.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Other Comprehensive Income Loss Net Of Tax		NA	180.85	-7.75	-11.97	202.87	-100.15	-45.37	67.69	26.97	-188.64	-206.57	-244.89	-25.12	-29.15	34.77	-85.59	33.10	35.12	174.08	-103.87	-16.68	29.92	65.48	80.98	14.62	-8.06	-16.27	-63.39	-11.14	6.82	22.41	18.04	-78.16	-9.80	36.01	45.42	-3.39	6.29	-35.94	3.83	-29.34	-18.89	26.48	16.68	7.77	-2.19	-62.64	27.88	-30.97	26.51	5.52	10.69	10.13	11.02	18.37	-4.25	NA	NA	NA	NA
Net Income Loss		95.53	92.28	-63.32	82.52	124.85	89.21	58.61	92.57	86.51	42.52	39.52	56.33	98.98	73.70	121.88	109.27	127.06	69.88	34.18	15.24	81.86	56.15	72.27	61.35	45.76	55.44	58.82	18.93	30.24	46.72	41.43	50.44	39.36	38.50	43.60	37.03	45.39	47.00	33.77	39.71	41.35	53.16	29.34	17.97	25.34	32.65	27.12	21.31	1.31	18.27	0.29	18.09	16.13	-20.14	2.33	21.55	23.77	17.20	18.77	5.80
Comprehensive Income Net Of Tax		-29.43	273.12	-71.07	70.55	327.72	-10.94	13.23	160.27	113.48	-146.12	-167.06	-188.56	73.85	44.56	156.65	23.68	160.16	105.00	208.27	-88.63	65.18	86.07	137.75	142.33	60.38	47.38	42.55	-44.47	19.10	53.54	63.83	68.48	-38.80	28.70	79.61	82.45	42.00	53.29	-2.18	43.53	12.01	34.27	55.82	34.65	33.10	30.46	-35.52	49.19	-29.66	44.78	5.81	28.78	26.26	-9.12	20.69	17.30	-17.42	47.59	42.37	12.49
Preferred Stock Dividends Income Statement Impact		2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.30	2.45	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Net Income Loss Available To Common Stockholders Basic		93.23	89.98	-65.62	80.22	122.55	86.91	56.31	90.27	84.21	40.23	37.22	54.03	96.68	71.41	119.58	106.82	127.06	69.88	34.18	15.24	81.86	56.15	72.27	61.35	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-12-31	2024-09-30	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	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	2010-03-31
Assets		13514.19	13473.14	12565.49	12056.11	11802.55	11427.96	11217.24	11015.01	10802.26	10520.48	10317.67	10310.55	10461.39	10442.17	10167.87	9848.61	9687.91	9514.93	9305.96	8975.05	8797.15	8719.41	8575.60	8282.76	7952.73	7986.75	7705.67	7659.95	7686.43	7812.13	7528.20	7404.10	7355.85	7363.23	7189.64	7022.49	6904.43	6898.12	6784.31	6701.15	6581.55	6577.42	6490.59	6370.24	6270.17	6266.35	6112.63	6344.03	6794.22	5879.94	5687.41	5629.60	5736.37	5748.99	5369.65	5275.23	5231.77	NA	NA	NA
Liabilities		10394.11	10305.34	9642.80	9049.62	8848.17	8783.54	8545.85	8345.61	8274.70	8092.95	7723.58	7532.31	7478.50	7520.08	7276.50	7104.57	6949.02	7121.31	7007.29	6878.59	6602.21	6582.03	6516.06	6357.54	6160.93	6248.23	6007.52	6000.15	5973.47	6112.78	5875.65	5811.52	5824.48	5788.33	5636.90	5546.53	5506.39	5539.10	5474.00	5385.21	5305.96	5310.49	5252.51	5184.70	5116.24	5142.14	5013.58	5207.68	5703.62	4755.56	4602.36	4546.68	4627.14	4662.44	4268.61	4191.57	4160.66	NA	NA	NA
Liabilities And Stockholders Equity		13514.19	13473.14	12565.49	12056.11	11802.55	11427.96	11217.24	11015.01	10802.26	10520.48	10317.67	10310.55	10461.39	10442.17	10167.87	9848.61	9687.91	9514.93	9305.96	8975.05	8797.15	8719.41	8575.60	8282.76	7952.73	7986.75	7705.67	7659.95	7686.43	7812.13	7528.20	7404.10	7355.85	7363.23	7189.64	7022.49	6904.43	6898.12	6784.31	6701.15	6581.55	6577.42	6490.59	6370.24	6270.17	6266.35	6112.63	6344.03	6794.22	5879.94	5687.41	5629.60	5736.37	5748.99	5369.65	5275.23	5231.77	NA	NA	NA
Stockholders Equity		3120.08	3167.80	2922.69	3006.49	2954.38	2644.42	2671.39	2669.40	2527.56	2427.53	2594.09	2778.24	2982.89	2922.10	2891.37	2744.05	2738.89	2393.61	2298.68	2096.46	2194.94	2137.38	2059.54	1925.22	1791.80	1738.52	1698.15	1659.80	1712.96	1699.35	1652.56	1592.58	1531.37	1574.90	1552.74	1475.96	1398.04	1359.02	1310.31	1315.94	1275.59	1266.92	1238.08	1185.53	1153.93	1124.21	1099.05	1136.35	1090.59	1124.38	1085.05	1082.92	1109.23	1086.56	1101.03	1083.65	1071.11	1092.32	1049.50	1010.16

		2024-12-31	2024-09-30	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	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	2010-03-31
Cash		0.09	0.10	0.16	0.12	0.18	0.11	0.35	0.15	0.03	0.54	0.40	0.41	0.46	0.48	0.45	0.49	0.39	0.79	0.67	9.43	0.30	0.52	0.50	0.52	0.51	0.45	4.88	0.67	0.53	0.69	8.63	0.48	0.46	1.49	1.53	0.68	0.90	15.11	0.37	14.80	23.96	2.50	1.55	0.24	0.19	0.18	0.15	0.30	0.21	0.32	0.14	0.26	0.76	0.29	0.18	0.50	0.65	0.42	0.59	0.14
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents		63.02	12.66	10.91	11.84	13.27	13.35	21.26	35.66	25.21	9.03	7.57	17.88	45.06	34.79	9.25	8.92	15.23	15.89	5.64	14.61	7.97	10.16	7.64	10.51	16.92	12.83	16.48	16.93	44.71	18.66	16.76	14.92	37.41	NA	NA	NA	12.75	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Equity Securities Fv Ni		213.60	205.63	191.96	194.32	187.16	125.62	121.64	132.18	162.00	183.87	258.51	344.58	335.54	324.19	348.34	324.25	310.37	151.82	134.06	99.99	72.94	79.21	157.52	163.02	147.64	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	NA
Available For Sale Securities Debt Securities		8127.33	8088.60	7669.03	7583.50	7499.20	7027.10	7032.35	6964.52	6612.11	6472.10	6439.28	6598.82	6709.98	6677.07	6626.40	6521.64	6455.93	6437.54	6358.16	5945.36	6095.62	5930.24	5757.90	5567.36	5273.10	5190.16	5137.65	5141.64	5162.52	5133.43	5018.72	4867.01	4792.54	4832.53	4671.79	4600.47	4408.20	4351.05	4192.82	4174.24	4066.12	3967.64	3890.20	3815.85	3715.54	3633.43	3419.81	3465.98	3296.01	3269.96	3123.01	3034.51	2897.37	2772.35	2525.24	2436.76	2342.74	NA	NA	NA

		2024-12-31	2024-09-30	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	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	2010-03-31
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment		287.69	285.07	278.52	277.94	271.41	268.26	262.01	257.28	251.21	271.56	265.38	259.52	253.43	256.83	251.53	245.84	240.15	240.06	237.02	231.65	227.57	223.52	219.67	216.07	211.66	227.64	220.87	217.22	213.23	211.44	206.85	202.92	198.73	198.17	194.00	192.68	188.55	184.41	180.15	175.90	172.18	188.18	184.75	181.96	179.19	176.72	174.23	171.72	169.43	167.05	164.84	162.56	160.29	158.38	156.21	153.96	151.70	NA	NA	NA
Property Plant And Equipment Net		93.30	92.19	89.20	82.70	83.27	81.37	81.25	83.37	84.31	85.33	83.37	83.18	82.05	75.01	75.14	76.10	77.70	78.44	78.77	80.06	77.41	76.42	73.68	68.66	65.25	64.22	62.73	62.05	63.96	66.34	66.25	68.50	69.58	69.81	68.57	65.16	65.70	65.66	62.18	61.85	59.42	55.53	53.84	53.73	50.83	50.02	48.84	48.33	47.13	45.97	45.69	43.92	43.95	39.25	40.00	40.78	41.77	NA	NA	NA
Equity Securities Fv Ni		213.60	205.63	191.96	194.32	187.16	125.62	121.64	132.18	162.00	183.87	258.51	344.58	335.54	324.19	348.34	324.25	310.37	151.82	134.06	99.99	72.94	79.21	157.52	163.02	147.64	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	NA
Held To Maturity Securities Fair Value		24.73	21.44	18.56	19.18	21.92	21.89	22.36	23.52	29.84	31.48	31.30	32.62	29.46	26.04	27.88	25.20	18.00	20.21	20.73	21.92	21.98	28.36	33.85	37.94	38.32	46.24	43.37	43.26	44.10	67.72	75.54	88.34	105.21	136.09	167.06	171.26	209.54	240.39	259.70	311.09	333.96	354.19	385.50	403.54	416.98	448.53	507.62	543.55	594.66	646.03	687.98	711.73	758.04	901.38	1120.98	1192.42	1256.29	NA	NA	NA
Held To Maturity Securities		25.38	21.96	19.50	20.30	22.70	23.24	23.68	24.65	31.16	33.01	32.15	33.09	28.85	25.32	26.96	24.34	16.82	19.09	19.54	20.38	20.80	26.93	32.36	36.49	37.11	44.58	42.02	41.59	42.13	64.99	72.51	84.84	101.56	130.47	160.30	163.57	201.35	229.87	247.86	296.56	318.14	336.08	364.94	382.06	392.88	421.96	479.51	507.77	554.07	600.72	643.50	667.19	712.35	852.84	NA	NA	1214.32	NA	NA	NA
Available For Sale Debt Securities Amortized Cost Basis		8476.08	8269.34	8080.50	7983.27	7880.70	7689.35	7564.94	7441.05	7185.75	7107.01	6833.43	6717.91	6490.75	6401.17	6311.75	6253.08	6073.52	6097.97	6065.55	5877.78	5879.99	5706.66	5571.49	5463.27	5270.80	5216.96	5153.74	5136.60	5076.72	5026.73	4923.01	4850.37	4753.76	4682.27	4506.58	4484.72	4352.51	4273.77	4133.22	4059.03	3975.79	3884.25	3792.04	3748.46	3675.98	3573.75	3363.99	3314.99	3130.68	3091.74	2974.82	2897.52	2766.86	2649.03	NA	NA	2285.99	NA	NA	NA
Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value		15.46	13.57	13.66	14.90	13.31	13.18	13.23	13.94	3.80	4.91	5.22	6.01	12.49	15.34	15.81	15.32	16.85	16.29	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	NA	NA	NA	NA	NA	NA	NA	NA
Held To Maturity Securities Debt Maturities Within One Year Fair Value		1.18	0.83	0.81	NA	NA	0.22	0.44	0.66	6.09	6.59	6.82	6.90	1.40	0.03	1.03	1.06	1.15	1.49	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
Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value		8.10	7.03	4.08	4.29	8.62	8.49	8.68	8.92	19.95	19.98	19.27	19.71	15.57	10.66	11.04	8.81	NA	2.43	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-12-31	2024-09-30	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	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	2010-03-31
Long Term Debt		507.94	NA	NA	NA	503.95	NA	NA	NA	504.68	NA	NA	NA	506.05	NA	NA	NA	550.74	NA	NA	NA	550.60	NA	NA	550.10	439.54	439.44	439.33	439.22	439.12	439.01	438.89	438.78	438.67	378.55	328.43	328.31	388.19	394.31	394.31	394.30	379.30	392.29	392.29	392.42	392.41	392.41	392.40	392.39	307.39	307.38	307.37	307.37	307.36	262.35	262.35	262.34	262.33	NA	NA	NA
Long Term Debt And Capital Lease Obligations		507.94	508.24	508.80	503.31	503.95	504.59	503.62	504.15	504.68	505.15	505.07	505.57	506.05	500.90	550.88	550.90	550.74	550.57	550.59	550.58	550.60	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-12-31	2024-09-30	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	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	2010-03-31
Stockholders Equity		3120.08	3167.80	2922.69	3006.49	2954.38	2644.42	2671.39	2669.40	2527.56	2427.53	2594.09	2778.24	2982.89	2922.10	2891.37	2744.05	2738.89	2393.61	2298.68	2096.46	2194.94	2137.38	2059.54	1925.22	1791.80	1738.52	1698.15	1659.80	1712.96	1699.35	1652.56	1592.58	1531.37	1574.90	1552.74	1475.96	1398.04	1359.02	1310.31	1315.94	1275.59	1266.92	1238.08	1185.53	1153.93	1124.21	1099.05	1136.35	1090.59	1124.38	1085.05	1082.92	1109.23	1086.56	1101.03	1083.65	1071.11	1092.32	1049.50	1010.16
Common Stock Value		211.22	211.11	211.03	210.90	210.45	210.34	210.30	210.15	209.69	209.56	209.51	209.34	208.90	208.78	208.74	208.58	208.07	207.92	207.88	207.66	206.97	206.84	206.66	206.45	205.70	205.57	205.46	205.28	204.57	204.36	204.30	204.06	203.24	203.01	202.90	202.52	201.72	201.35	201.17	200.86	199.90	199.51	199.40	199.07	198.24	197.91	197.82	197.42	196.39	196.03	195.92	195.62	194.49	194.09	193.98	193.68	192.72	NA	NA	NA
Additional Paid In Capital Common Stock		557.04	549.75	545.26	534.33	522.75	516.85	512.04	502.71	493.49	486.24	481.38	472.79	464.35	458.14	454.46	446.41	438.99	438.87	435.02	427.33	418.52	412.35	407.38	398.88	390.31	385.45	381.64	375.15	367.72	362.74	359.98	354.24	347.30	342.85	340.11	333.96	326.66	320.99	317.30	312.93	305.38	300.43	298.35	294.37	288.18	284.07	282.01	276.72	270.65	267.53	265.73	262.34	257.37	253.94	252.19	248.57	244.61	NA	NA	NA
Retained Earnings Accumulated Deficit		3139.49	3069.57	3001.05	3088.15	3029.40	2928.18	2859.57	2821.61	2749.70	2683.76	2660.58	2640.44	2603.47	2523.81	2467.60	2363.19	2271.54	2159.60	2103.63	2083.34	2080.53	2012.50	1968.37	1908.12	1858.41	1824.61	1779.93	1731.83	1698.61	1679.04	1641.82	1609.86	1568.88	1538.93	1509.24	1474.43	1446.19	1409.54	1370.68	1345.04	1313.44	1280.15	1234.46	1212.58	1202.02	1184.08	1158.86	1139.11	1125.15	1131.12	1120.14	1127.14	1167.22	1158.31	1185.66	1190.53	1176.15	NA	NA	NA
Accumulated Other Comprehensive Income Loss Net Of Tax		-336.85	-211.88	-392.72	-384.97	-373.00	-575.87	-475.72	-430.35	-498.04	-525.01	-336.37	-129.79	115.10	140.22	169.37	134.60	220.19	187.09	151.97	-22.12	81.75	98.43	68.51	3.02	-77.96	-92.58	-84.52	-68.24	20.17	31.32	24.50	2.09	-15.95	62.21	72.01	36.00	-9.43	-6.04	-12.33	23.61	19.79	49.12	68.01	41.53	24.85	17.08	19.28	81.92	54.04	85.01	58.50	52.98	42.29	32.16	21.14	2.78	7.02	NA	NA	NA
Treasury Stock Value		650.83	650.75	641.94	641.91	635.21	635.08	634.79	634.72	627.28	627.02	621.01	614.53	608.93	608.86	608.80	608.73	599.88	599.87	599.81	599.76	592.83	592.74	591.38	591.25	584.67	584.53	584.36	584.23	578.11	578.10	578.04	577.67	572.10	572.09	571.52	570.95	567.11	566.81	566.51	566.50	562.92	562.28	562.15	562.01	559.36	558.94	558.93	558.82	555.64	555.30	555.25	555.16	552.15	551.95	551.93	551.90	549.41	NA	NA	NA

		2024-12-31	2024-09-30	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	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	2010-03-31
Net Cash Provided By Used In Operating Activities		332.19	387.37	266.13	114.21	236.60	228.66	157.88	135.77	316.96	241.96	150.80	92.68	228.12	250.85	162.20	130.26	173.16	183.50	158.07	39.32	161.30	151.06	118.50	46.64	162.46	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	69.76	28.14	58.95	115.59	16.30	35.85	-3.60	66.76	31.81	27.99	55.90	45.07	25.12	33.09
Net Cash Provided By Used In Investing Activities		-260.08	-354.02	-247.27	-86.01	-216.33	-216.46	-155.33	-98.24	-283.58	-216.37	-138.59	-95.91	-201.02	-159.07	-147.75	-110.93	-190.17	-75.47	-106.70	-315.83	-152.63	-135.97	-112.29	-142.73	-148.33	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	-65.56	-99.11	-54.36	-109.02	-11.07	-28.27	-36.46	-60.37	-26.81	-19.86	-50.91	-39.51	-7.58	-25.53
Net Cash Provided By Used In Financing Activities		-21.75	-31.59	-19.79	-29.63	-20.35	-20.11	-16.96	-27.07	-17.21	-24.12	-22.53	-23.95	-16.82	-66.24	-14.11	-25.64	16.35	-97.77	-60.34	283.14	-10.85	-12.57	-9.08	89.69	-10.04	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	-4.34	71.06	-4.69	-6.41	-5.36	-8.09	40.54	-6.29	-5.31	-8.27	-4.77	-5.74	-17.08	-8.24

		2024-12-31	2024-09-30	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	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	2010-03-31
Net Cash Provided By Used In Operating Activities		332.19	387.37	266.13	114.21	236.60	228.66	157.88	135.77	316.96	241.96	150.80	92.68	228.12	250.85	162.20	130.26	173.16	183.50	158.07	39.32	161.30	151.06	118.50	46.64	162.46	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	69.76	28.14	58.95	115.59	16.30	35.85	-3.60	66.76	31.81	27.99	55.90	45.07	25.12	33.09
Net Income Loss		95.53	92.28	-63.32	82.52	124.85	89.21	58.61	92.57	86.51	42.52	39.52	56.33	98.98	73.70	121.88	109.27	127.06	69.88	34.18	15.24	81.86	56.15	72.27	61.35	45.76	55.44	58.82	18.93	30.24	46.72	41.43	50.44	39.36	38.50	43.60	37.03	45.39	47.00	33.77	39.71	41.35	53.16	29.34	17.97	25.34	32.65	27.12	21.31	1.31	18.27	0.29	18.09	16.13	-20.14	2.33	21.55	23.77	17.20	18.77	5.80
Share Based Compensation		2.97	3.09	6.59	10.12	1.97	3.49	5.17	7.72	3.31	3.24	4.86	7.03	2.46	2.50	4.43	6.49	2.29	2.74	4.16	7.04	3.22	4.20	4.98	6.68	2.36	2.51	3.82	5.82	1.95	1.77	3.10	5.27	1.50	1.75	2.83	4.38	1.35	1.58	2.37	3.68	1.28	1.32	1.93	4.18	1.20	1.24	2.50	3.69	0.68	1.10	1.83	3.33	1.04	1.10	0.66	4.62	5.48	1.11	-0.41	6.17

		2024-12-31	2024-09-30	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	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	2010-03-31
Net Cash Provided By Used In Investing Activities		-260.08	-354.02	-247.27	-86.01	-216.33	-216.46	-155.33	-98.24	-283.58	-216.37	-138.59	-95.91	-201.02	-159.07	-147.75	-110.93	-190.17	-75.47	-106.70	-315.83	-152.63	-135.97	-112.29	-142.73	-148.33	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	-65.56	-99.11	-54.36	-109.02	-11.07	-28.27	-36.46	-60.37	-26.81	-19.86	-50.91	-39.51	-7.58	-25.53
Payments To Acquire Property Plant And Equipment		7.47	9.40	7.73	6.20	7.87	5.21	4.04	5.51	4.26	7.66	6.42	7.68	7.04	5.63	4.93	4.56	4.21	5.22	4.22	8.42	6.56	7.44	9.03	7.96	4.96	4.42	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	1.48	1.37	NA	NA	1.70	0.87

		2024-12-31	2024-09-30	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	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	2010-03-31
Net Cash Provided By Used In Financing Activities		-21.75	-31.59	-19.79	-29.63	-20.35	-20.11	-16.96	-27.07	-17.21	-24.12	-22.53	-23.95	-16.82	-66.24	-14.11	-25.64	16.35	-97.77	-60.34	283.14	-10.85	-12.57	-9.08	89.69	-10.04	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	-4.34	71.06	-4.69	-6.41	-5.36	-8.09	40.54	-6.29	-5.31	-8.27	-4.77	-5.74	-17.08	-8.24
Payments Of Dividends Common Stock		22.58	20.79	20.79	20.78	20.70	17.74	17.70	17.69	17.61	16.42	16.44	16.45	16.38	14.60	14.59	14.57	14.51	13.34	13.32	13.31	13.23	11.50	11.48	11.46	11.40	10.26	10.23	10.20	10.13	8.99	8.97	8.96	8.87	8.32	8.30	8.27	8.20	7.64	7.62	7.59	7.53	6.99	6.97	6.95	6.88	6.86	6.84	6.82	6.76	6.75	6.73	6.71	6.65	6.64	6.62	6.61	6.54	6.52	6.51	6.49
Payments For Repurchase Of Common Stock		0.08	8.81	0.03	6.70	0.13	0.29	0.07	7.44	0.26	6.01	6.48	5.59	0.08	0.06	0.07	8.85	0.01	0.06	0.05	6.93	0.09	1.36	0.13	6.58	0.13	0.18	0.13	6.12	0.01	0.06	0.38	5.57	0.01	0.57	0.57	3.85	0.29	0.30	0.00	3.58	0.64	0.13	0.13	2.65	0.42	0.01	0.11	3.18	0.34	0.05	0.09	3.02	0.20	0.01	0.03	2.50	0.16	0.01	0.01	1.51

		2024-12-31	2024-09-30	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	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	2010-03-31
Revenues		1256.39	1244.31	1196.01	1164.96	1110.68	1081.08	1040.52	999.82	952.16	895.02	864.82	846.06	869.70	865.04	840.52	803.91	798.43	776.57	682.45	664.83	728.90	710.42	708.20	698.96	643.00	664.47	651.92	626.69	633.74	621.29	614.49	600.47	582.36	581.69	568.75	551.47	545.53	540.46	521.97	523.89	503.58	515.36	506.85	509.07	488.03	486.81	468.94	459.95	448.98	436.87	428.91	419.35	400.38	394.07	399.57	403.46	394.09	389.70	387.72	393.11
E S Lines		141.39	129.38	120.34	113.02	108.10	101.42	92.27	88.85	89.32	85.80	80.86	78.17	76.03	74.31	67.47	62.00	61.98	60.48	58.03	58.99	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
Standard Commercial Lines		892.43	883.57	858.71	841.24	796.95	789.93	768.28	733.80	709.05	694.88	682.83	662.57	637.80	623.74	605.55	592.85	571.92	563.61	505.20	517.97	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Standard Personal Lines		107.77	108.21	107.02	104.49	101.64	95.74	87.71	82.32	78.25	76.13	73.78	73.07	73.51	73.78	73.71	74.23	75.94	76.57	72.12	76.56	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	NA	NA	NA	NA	NA	NA