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Tables

		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
Common Stock Value		0.10	0.10	0.12	0.12	0.12	0.13	0.12	0.13	0.13	0.14	0.14	0.14	0.14	0.13	0.13	0.12	0.12	0.12	0.12	0.12	0.12	0.12	0.12	0.11	0.11	0.11	0.11	0.10	0.09	0.09	0.09	0.09	0.09	0.09	0.09	0.09	0.09	0.08	0.08	0.08	0.08	0.08	NA	NA	NA
Weighted Average Number Of Diluted Shares Outstanding		102.34	NA	115.41	132.94	124.30	NA	148.04	149.57	133.27	NA	146.70	168.28	134.35	141.30	126.19	133.85	122.43	129.15	120.08	118.79	116.73	125.61	114.18	112.74	110.90	121.56	103.04	95.05	92.83	NA	NA	NA	NA	93.22	87.71	86.74	84.79	86.54	83.69	83.21	82.18	45.83	12.87	12.56	12.03
Weighted Average Number Of Shares Outstanding Basic		102.34	NA	115.41	117.98	123.71	NA	126.13	126.27	132.16	NA	144.75	143.11	134.35	128.96	126.19	123.84	122.43	121.15	120.08	118.79	116.73	115.12	114.18	112.74	110.90	108.97	103.04	95.05	92.83	91.53	91.06	90.42	89.12	87.99	87.71	86.74	84.79	83.92	83.70	83.25	82.26	45.83	13.05	12.81	12.37
Earnings Per Share Basic		-0.01	0.09	-0.16	0.21	0.02	0.02	1.99	0.06	0.04	0.17	0.05	0.23	-0.49	0.20	-0.29	0.09	-0.05	0.07	-0.10	-0.02	-0.04	0.05	-0.12	-0.03	-0.02	0.03	-0.11	-0.06	-0.07	-0.02	-0.17	-0.10	-0.18	0.04	-0.28	-0.12	-0.34	0.02	-0.39	-0.10	-0.31	-2.36	-2.27	-0.27	-1.48
Earnings Per Share Diluted		-0.01	-0.10	-0.16	-0.11	0.02	0.03	1.23	0.06	0.04	0.17	0.05	0.20	-0.49	0.18	-0.29	0.08	-0.05	0.06	-0.10	-0.02	-0.04	0.04	-0.12	-0.03	-0.02	0.03	-0.11	-0.06	-0.07	NA	NA	NA	NA	0.04	-0.28	-0.12	-0.34	0.02	-0.39	-0.10	-0.31	-2.36	-2.27	-0.27	-1.48

		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
Revenue From Contract With Customer Excluding Assessed Tax		174.35	187.99	157.85	182.85	187.60	205.19	164.74	194.72	202.24	207.47	171.94	198.48	198.38	205.72	154.02	153.01	131.59	125.50	94.15	93.86	97.41	95.68	74.24	74.22	76.95	73.51	62.64	56.32	62.60	63.06	49.77	37.67	39.36	68.15	33.36	29.28	31.37	84.42	23.41	18.60	17.25	77.12	61.59	55.86	61.02
Revenue From Contract With Customer Including Assessed Tax		174.35	187.99	157.85	182.85	187.60	205.19	164.74	194.72	202.24	207.47	171.94	198.48	198.38	205.72	154.02	153.01	131.59	125.50	94.15	93.86	97.41	95.68	74.24	74.22	76.95	73.51	62.64	56.32	62.60	63.06	49.77	37.67	39.36	68.15	33.36	29.28	31.37	84.42	23.41	18.60	17.25	77.12	61.59	55.86	61.02
Revenues		174.35	187.99	157.85	182.85	187.60	205.19	164.74	194.72	202.24	207.47	171.94	198.48	198.38	205.72	154.02	153.01	131.59	125.50	94.15	93.86	97.41	95.68	74.24	74.22	76.95	73.51	62.64	56.32	62.60	63.06	49.77	37.67	39.36	68.15	33.36	29.28	31.37	84.42	23.41	18.60	17.25	77.12	61.59	55.86	61.02
Cost Of Revenue		46.50	45.80	83.58	47.41	49.15	51.42	45.20	45.68	55.09	55.71	67.10	60.71	71.38	57.13	62.37	43.52	42.39	26.16	22.16	20.52	23.34	22.07	19.92	17.78	20.22	19.38	22.36	17.04	21.40	20.57	38.70	21.41	38.92	26.38	61.72	36.26	65.49	38.62	68.28	38.60	65.48	37.57	58.42	29.61	49.45
Gross Profit		127.85	142.18	74.28	135.44	138.45	153.77	119.54	149.04	147.16	151.76	104.84	137.77	126.99	148.59	91.65	109.48	89.20	99.34	71.99	73.34	74.07	73.61	54.32	56.44	56.73	54.13	40.28	39.27	41.21	42.48	32.64	31.63	27.73	41.77	19.57	30.80	19.38	45.79	13.25	25.90	8.91	39.54	3.16	26.25	11.56
Operating Expenses		130.34	128.90	132.15	154.14	142.90	146.10	130.97	141.69	141.78	125.56	104.48	103.00	110.22	99.37	109.45	87.42	85.92	82.25	77.04	66.53	75.10	66.06	64.75	57.15	59.34	51.12	51.44	44.56	46.74	43.56	47.98	40.00	43.02	37.71	43.37	40.50	47.64	43.05	45.88	35.54	34.51	48.03	28.07	27.72	27.73
Research And Development Expense		44.44	45.72	46.20	52.87	46.91	46.32	45.43	52.48	52.41	47.83	43.27	41.59	46.13	46.95	44.04	40.37	39.54	38.57	36.44	32.06	32.69	33.49	29.05	26.22	25.53	22.85	19.88	19.90	19.30	17.10	16.24	16.03	16.96	14.31	15.66	13.27	16.14	12.39	13.49	12.19	11.32	12.59	10.00	9.80	9.55
General And Administrative Expense		55.53	53.43	57.08	70.31	58.97	61.70	53.74	53.94	46.87	47.46	33.97	39.72	37.87	31.13	40.78	31.29	26.14	27.45	23.75	22.62	23.67	19.98	20.00	19.48	18.26	17.25	17.32	14.50	15.34	14.23	13.90	14.57	12.67	9.43	12.06	11.94	11.78	10.36	10.99	10.65	9.84	19.96	6.25	7.57	6.71
Selling And Marketing Expense		30.38	29.75	28.87	30.96	37.02	38.08	31.80	35.28	42.50	30.27	27.24	21.69	26.21	21.29	24.62	15.76	20.24	16.23	16.82	11.79	18.72	12.25	15.69	11.44	15.34	10.99	14.18	10.10	15.96	12.50	15.26	11.75	14.45	14.10	16.21	12.38	21.39	19.02	23.45	14.82	15.03	13.66	14.22	8.67	13.75
Operating Income Loss		-2.49	13.29	-57.87	-18.70	-4.45	7.67	-11.44	7.34	5.38	26.20	0.36	34.77	16.78	49.22	-17.80	22.06	3.28	17.09	-5.06	6.82	-1.03	7.54	-10.43	-0.71	-2.62	3.01	-11.16	-5.28	-5.54	-1.07	-15.33	-8.38	-15.29	4.06	-23.80	-9.70	-28.26	2.74	-32.63	-9.64	-25.60	-8.49	-24.90	-1.47	-16.17
Interest Income Expense Net		-0.65	-0.66	-0.73	-1.11	-1.27	-1.30	-1.52	-1.62	-1.60	-1.63	-1.63	-1.70	-1.93	-21.98	-17.47	-13.43	-13.43	-13.56	-13.55	-13.51	-4.23	-3.77	-3.77	-3.66	-0.02	-0.02	-0.02	-0.02	-0.02	-0.02	-0.03	-0.06	-0.06	-0.07	-0.06	-0.06	-0.06	-0.06	-0.07	-0.13	-0.06	NA	NA	NA	NA
Interest Paid Net		0.22	0.00	0.22	0.08	0.44	0.00	0.44	0.00	0.44	0.00	0.44	0.11	0.50	0.22	0.61	0.43	0.50	0.43	0.47	0.43	0.00	0.55	0.02	0.02	0.02	0.02	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Interest Income Expense Nonoperating Net		NA	7.06	8.43	10.66	11.26	5.18	3.74	2.03	1.48	1.31	1.49	1.85	2.05	2.19	2.54	3.19	4.86	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Gains Losses On Extinguishment Of Debt		NA	0.00	32.15	53.78	NA	0.00	93.52	NA	NA	0.00	0.00	0.00	-78.15	-0.97	-3.31	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
Allocated Share Based Compensation Expense		29.29	31.91	31.93	35.92	33.75	35.12	34.17	31.09	33.08	32.69	24.51	28.55	23.10	24.65	21.53	19.55	18.33	17.55	16.86	15.45	15.04	14.53	13.82	12.04	11.64	10.89	10.09	9.10	8.28	9.08	10.21	11.22	11.27	6.99	8.93	7.83	15.02	9.68	11.79	8.48	6.93	25.07	3.86	3.88	4.15
Income Tax Expense Benefit		9.06	8.10	0.17	19.68	4.18	0.29	-167.26	0.06	4.22	1.40	0.75	2.23	2.82	2.48	1.07	1.29	0.52	0.80	0.62	0.58	0.63	-0.25	0.71	0.43	0.54	-0.16	0.60	0.72	0.65	0.24	0.55	0.51	0.40	0.37	0.39	0.43	0.29	1.05	0.28	-1.37	0.22	0.10	0.20	0.15	0.18
Income Taxes Paid Net		0.64	2.71	2.20	4.15	2.02	1.31	1.61	2.81	1.10	1.78	1.34	1.21	3.06	0.99	1.20	0.49	0.76	NA	NA	NA	NA	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 Comprehensive Income Loss Net Of Tax		-5.93	21.69	-13.25	2.16	12.15	44.38	-33.00	-31.95	-31.59	-3.78	-0.58	0.27	-2.77	0.20	-0.52	7.21	-4.27	0.66	-1.14	0.28	0.12	-0.05	-0.30	-0.80	0.42	-0.30	-0.06	0.15	0.10	-0.03	0.04	-0.08	0.07	-0.08	-0.10	-0.02	0.04	-0.01	-0.03	0.03	0.01	-0.02	0.01	-0.02	-0.03
Net Income Loss		-1.42	9.66	-18.28	24.61	2.19	1.86	251.56	7.48	5.74	24.31	6.65	32.76	-65.18	26.04	-37.14	10.59	-5.71	8.22	-11.48	-2.03	-4.32	5.35	-13.71	-3.91	-2.62	3.66	-11.52	-6.03	-6.40	-1.49	-16.06	-9.01	-15.69	3.63	-24.17	-10.13	-28.54	1.69	-32.44	-8.25	-25.76	-5.42	-29.25	-3.35	-17.82
Comprehensive Income Net Of Tax		-7.35	31.35	-31.53	26.77	14.34	46.24	218.56	-24.47	-25.85	20.52	6.07	33.03	-67.95	26.24	-37.66	17.80	-9.98	8.88	-12.62	-1.75	-4.20	5.29	-14.01	-4.71	-2.20	3.36	-11.57	-5.87	-6.30	-1.52	-16.03	-9.09	-15.62	3.55	-24.27	-10.15	-28.50	1.68	-32.47	-8.22	-25.75	-5.44	-29.24	-3.37	-17.85
Net Income Loss Available To Common Stockholders Diluted		NA	-13.95	-18.28	-14.79	NA	3.04	182.52	8.69	NA	24.31	6.65	33.98	NA	NA	NA	10.59	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		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
Assets		1732.64	1727.23	1804.64	1968.54	2361.79	2465.42	2397.86	2654.52	2662.47	2919.25	3187.49	3150.95	3193.56	2251.26	2341.66	1539.88	1495.00	1489.00	1463.69	1415.68	1309.21	760.94	752.29	720.57	423.48	446.93	440.15	268.16	280.98	290.65	316.21	292.89	274.72	291.36	322.06	287.56	309.73	318.13	348.13	314.52	332.76	327.37	NA	NA	NA
Liabilities		769.17	782.62	771.29	933.53	1355.03	1348.83	1351.33	1835.73	1853.95	1812.33	1832.98	1813.07	1950.22	1641.62	1696.27	1041.50	1032.08	990.17	995.18	956.11	881.08	350.30	363.71	331.85	53.47	55.87	71.20	46.10	66.91	68.71	101.11	71.16	54.32	60.28	102.00	52.22	74.29	71.08	113.40	59.17	80.84	53.13	NA	NA	NA
Liabilities And Stockholders Equity		1732.64	1727.23	1804.64	1968.54	2361.79	2465.42	2397.86	2654.52	2662.47	2919.25	3187.49	3150.95	3193.56	2251.26	2341.66	1539.88	1495.00	1489.00	1463.69	1415.68	1309.21	760.94	752.29	720.57	423.48	446.93	440.15	268.16	280.98	290.65	316.21	292.89	274.72	291.36	322.06	287.56	309.73	318.13	348.13	314.52	332.76	327.37	NA	NA	NA
Stockholders Equity		963.47	944.62	1033.35	1035.00	1006.76	1116.59	1046.53	818.79	808.52	1106.92	1354.52	1337.88	1243.34	609.63	645.39	498.38	462.93	498.83	468.51	459.57	428.14	410.63	388.58	388.72	370.01	391.06	368.95	222.06	214.06	221.94	215.10	221.73	220.40	231.07	220.06	235.34	235.44	247.04	234.73	255.36	251.93	274.24	NA	NA	NA

		2024-03-31	2023-12-31	2023-09-30	2023-06-30	2023-03-31	2022-12-31	2022-09-30	2022-06-30	2022-03-31	2021-12-31	2021-09-30	2021-06-30	2021-03-31	2020-12-31	2020-09-30	2020-06-30	2020-03-31	2019-12-31	2019-09-30	2019-06-30	2019-03-31	2018-12-31	2018-09-30	2018-06-30	2018-03-31	2017-12-31	2017-09-30	2017-06-30	2017-03-31	2016-12-31	2016-09-30	2016-06-30	2016-03-31	2015-12-31	2015-09-30	2015-06-30	2015-03-31	2014-12-31	2014-09-30	2014-06-30	2014-03-31	2013-12-31	2013-09-30	2013-06-30	2013-03-31
Assets Current		465.94	414.83	347.70	446.72	637.48	1144.40	1031.58	1451.87	1246.63	1622.65	1825.96	2116.27	1935.63	1182.95	1299.50	742.14	807.77	807.27	844.07	847.90	1018.88	494.93	502.29	490.41	214.84	228.94	240.80	89.36	103.92	111.37	139.28	108.43	124.13	132.84	151.25	99.16	102.17	110.81	111.05	74.55	108.41	124.31	NA	NA	NA
Cash And Cash Equivalents At Carrying Value		143.75	135.76	94.42	175.37	281.30	473.68	69.35	402.09	267.73	854.08	713.84	840.06	656.17	479.85	527.54	285.06	359.10	387.52	450.46	555.79	914.50	374.66	379.02	384.93	106.83	126.46	122.23	66.09	70.29	77.33	90.21	49.68	41.50	67.03	80.94	35.09	50.03	56.12	53.19	30.78	39.44	76.86	15.93	21.64	30.29
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents		145.96	137.98	96.62	177.59	283.52	475.85	71.51	404.34	270.02	855.89	715.60	841.78	657.94	481.71	529.59	287.09	360.97	389.43	451.76	556.98	915.54	375.94	379.72	385.41	107.33	126.96	122.67	66.55	70.76	77.43	NA	NA	NA	67.81	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Short Term Investments		247.01	194.26	166.84	209.69	277.86	583.97	871.41	981.29	915.43	691.78	1038.35	1221.67	1215.94	665.57	723.33	417.53	404.79	381.07	345.39	259.40	70.08	93.34	80.90	80.94	82.26	81.74	80.91	NA	NA	0.00	0.00	0.00	20.00	17.80	21.36	27.41	28.87	33.35	30.04	28.43	54.38	37.07	NA	NA	NA
Accounts Receivable Net Current		24.74	31.40	30.48	20.67	22.00	23.52	22.19	16.82	19.92	17.85	9.30	10.09	11.63	12.91	12.49	8.83	6.49	11.53	13.68	5.95	8.87	12.73	8.62	8.10	8.05	10.86	9.84	8.75	8.79	9.21	9.48	12.92	10.96	13.16	9.32	12.13	10.67	14.40	15.76	9.91	9.35	7.09	NA	NA	NA
Other Assets Current		30.01	32.44	25.20	22.37	30.83	34.75	35.20	31.56	14.67	23.85	29.32	25.64	26.62	11.85	21.06	14.65	19.53	16.61	24.89	14.61	9.69	9.51	26.65	7.74	6.90	7.84	23.95	7.57	16.64	22.26	35.57	40.22	43.19	31.73	33.83	16.87	3.99	3.86	8.68	1.77	2.18	1.11	NA	NA	NA
Available For Sale Securities Debt Securities		565.43	534.51	631.79	769.22	1141.64	1240.35	1192.41	1603.22	1579.16	2261.53	2536.34	2513.55	2558.94	1653.99	1754.78	965.43	838.25	837.72	833.19	869.13	717.18	132.72	133.95	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-03-31	2023-12-31	2023-09-30	2023-06-30	2023-03-31	2022-12-31	2022-09-30	2022-06-30	2022-03-31	2021-12-31	2021-09-30	2021-06-30	2021-03-31	2020-12-31	2020-09-30	2020-06-30	2020-03-31	2019-12-31	2019-09-30	2019-06-30	2019-03-31	2018-12-31	2018-09-30	2018-06-30	2018-03-31	2017-12-31	2017-09-30	2017-06-30	2017-03-31	2016-12-31	2016-09-30	2016-06-30	2016-03-31	2015-12-31	2015-09-30	2015-06-30	2015-03-31	2014-12-31	2014-09-30	2014-06-30	2014-03-31	2013-12-31	2013-09-30	2013-06-30	2013-03-31
Property Plant And Equipment Gross		NA	417.56	388.85	NA	NA	404.43	NA	NA	NA	315.35	NA	NA	NA	224.42	NA	NA	NA	154.96	NA	NA	NA	115.08	NA	NA	NA	87.92	NA	NA	NA	63.14	NA	NA	NA	37.90	NA	NA	NA	33.60	NA	NA	NA	31.02	NA	NA	NA
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment		NA	234.49	220.12	NA	NA	200.05	NA	NA	NA	145.41	NA	NA	NA	98.61	NA	NA	NA	67.60	NA	NA	NA	55.17	NA	NA	NA	40.43	NA	NA	NA	27.83	NA	NA	NA	17.93	NA	NA	NA	15.23	NA	NA	NA	12.06	NA	NA	NA
Property Plant And Equipment Net		188.43	183.07	168.74	198.32	201.31	204.38	202.36	195.37	187.74	169.94	156.12	149.63	134.09	125.81	113.06	105.64	97.89	87.36	77.67	76.96	72.94	59.90	52.95	51.52	48.20	47.49	45.08	40.29	36.78	35.30	30.77	29.36	23.36	19.97	18.54	18.57	17.89	18.37	18.30	18.93	18.99	18.96	NA	NA	NA
Long Term Investments		221.66	249.55	412.54	422.76	613.86	216.23	286.78	265.73	435.41	745.99	813.50	484.85	711.22	523.63	521.26	280.49	273.11	310.48	340.12	288.68	12.53	16.05	14.96	15.96	10.63	20.30	17.01	NA	NA	0.00	0.00	0.00	2.88	4.23	2.94	4.73	0.00	1.45	14.12	19.30	36.67	24.32	NA	NA	NA
Goodwill		628.78	632.00	617.69	629.56	622.68	615.09	589.70	616.65	641.28	289.76	290.50	290.73	290.60	285.21	284.81	284.68	214.32	214.51	149.07	149.47	149.48	149.52	149.76	135.84	125.53	125.27	116.24	116.24	116.24	116.24	114.98	114.98	91.30	91.30	91.30	91.30	91.30	91.30	86.69	86.69	49.60	49.55	NA	NA	NA
Intangible Assets Net Excluding Goodwill		48.14	52.43	56.64	67.63	73.09	78.33	80.65	91.47	102.69	40.57	43.57	46.62	49.80	51.25	55.39	59.52	32.08	34.67	20.62	22.37	24.10	25.91	27.81	22.59	19.90	21.15	16.60	17.97	19.34	20.75	21.66	23.06	8.24	8.87	9.51	10.63	12.07	13.63	NA	NA	NA	3.31	NA	NA	NA
Finite Lived Intangible Assets Net		NA	52.43	NA	NA	NA	74.73	77.05	87.87	99.08	36.97	NA	NA	NA	47.65	51.79	55.92	28.48	31.07	17.02	18.77	20.50	22.32	24.21	18.99	16.30	17.55	13.00	14.37	15.74	17.15	18.06	19.46	4.64	5.26	5.91	7.03	8.47	10.03	10.97	12.66	3.15	3.31	NA	NA	NA
Other Assets Noncurrent		15.96	28.38	28.96	28.49	19.82	20.61	21.68	17.95	19.18	21.04	22.48	24.07	25.60	24.03	18.95	25.07	23.55	18.78	15.84	15.54	15.41	14.62	4.52	4.26	4.38	3.77	4.42	4.30	4.70	4.41	5.57	5.23	4.17	4.43	3.88	1.92	1.73	1.80	1.80	2.16	2.02	1.81	NA	NA	NA
Available For Sale Debt Securities Amortized Cost Basis		567.14	534.25	637.99	775.09	1143.10	1245.62	1213.53	1622.39	1596.00	2265.45	2536.51	2513.27	2559.03	1652.19	1752.19	961.19	840.75	836.95	832.77	868.64	717.14	132.83	134.07	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-03-31	2023-12-31	2023-09-30	2023-06-30	2023-03-31	2022-12-31	2022-09-30	2022-06-30	2022-03-31	2021-12-31	2021-09-30	2021-06-30	2021-03-31	2020-12-31	2020-09-30	2020-06-30	2020-03-31	2019-12-31	2019-09-30	2019-06-30	2019-03-31	2018-12-31	2018-09-30	2018-06-30	2018-03-31	2017-12-31	2017-09-30	2017-06-30	2017-03-31	2016-12-31	2016-09-30	2016-06-30	2016-03-31	2015-12-31	2015-09-30	2015-06-30	2015-03-31	2014-12-31	2014-09-30	2014-06-30	2014-03-31	2013-12-31	2013-09-30	2013-06-30	2013-03-31
Liabilities Current		505.19	518.46	150.23	142.81	139.65	138.87	143.47	134.37	155.43	114.34	133.82	113.54	251.09	109.73	142.96	90.49	101.83	71.39	88.83	64.15	72.96	59.67	76.56	48.51	49.02	51.56	65.95	41.13	62.37	64.33	97.03	67.14	50.35	56.11	97.74	47.49	70.00	66.72	108.09	53.98	75.68	48.15	NA	NA	NA
Accounts Payable Current		20.12	28.18	18.19	12.95	13.06	12.37	14.90	11.91	9.55	11.99	10.52	6.21	14.90	8.55	5.84	6.42	13.61	7.36	4.20	3.13	6.34	8.18	4.28	5.34	3.98	7.05	2.11	0.81	3.26	5.17	7.99	6.26	4.31	5.86	11.98	3.83	4.85	10.95	6.06	9.81	3.74	4.08	NA	NA	NA
Accrued Liabilities Current		73.56	77.86	73.13	76.66	68.03	70.23	68.10	69.16	85.42	67.21	73.32	72.64	78.09	61.96	79.52	50.07	47.24	39.96	52.20	37.42	35.71	34.08	47.00	29.46	26.42	31.07	41.94	27.86	41.01	44.32	59.03	46.43	19.27	35.28	39.67	23.90	20.19	31.18	29.56	19.99	19.83	21.27	NA	NA	NA
Contract With Customer Liability Current		54.06	55.34	58.91	53.20	58.57	56.27	60.48	53.30	60.46	35.14	49.98	34.68	48.61	32.62	51.94	28.32	35.75	18.78	27.46	18.82	26.28	17.42	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-03-31	2023-12-31	2023-09-30	2023-06-30	2023-03-31	2022-12-31	2022-09-30	2022-06-30	2022-03-31	2021-12-31	2021-09-30	2021-06-30	2021-03-31	2020-12-31	2020-09-30	2020-06-30	2020-03-31	2019-12-31	2019-09-30	2019-06-30	2019-03-31	2018-12-31	2018-09-30	2018-06-30	2018-03-31	2017-12-31	2017-09-30	2017-06-30	2017-03-31	2016-12-31	2016-09-30	2016-06-30	2016-03-31	2015-12-31	2015-09-30	2015-06-30	2015-03-31	2014-12-31	2014-09-30	2014-06-30	2014-03-31	2013-12-31	2013-09-30	2013-06-30	2013-03-31
Liabilities Noncurrent		263.98	264.15	621.06	790.72	1215.38	1209.95	1207.86	1701.36	1698.52	1697.98	1699.16	1699.53	1699.12	1531.89	1553.31	951.01	930.24	918.78	906.35	891.96	808.12	290.63	287.15	283.35	4.44	4.30	5.24	4.97	4.54	4.38	4.08	4.01	3.97	4.17	4.26	4.73	4.29	4.37	5.32	5.19	5.15	4.98	NA	NA	NA
Other Liabilities Noncurrent		4.60	3.33	2.24	2.43	2.66	7.99	8.00	9.15	6.53	7.38	8.27	8.38	7.63	5.71	4.67	11.87	3.98	3.96	3.81	3.59	3.31	6.96	7.02	6.77	NA	4.30	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	4.29	4.37	5.32	5.19	5.15	4.98	NA	NA	NA
Operating Lease Liability Noncurrent		16.46	18.06	19.54	21.25	23.06	13.38	12.35	11.28	12.46	12.45	14.14	15.81	17.55	19.26	11.66	12.95	13.01	14.51	15.31	14.24	15.42	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

		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
Stockholders Equity		963.47	944.62	1033.35	1035.00	1006.76	1116.59	1046.53	818.79	808.52	1106.92	1354.52	1337.88	1243.34	609.63	645.39	498.38	462.93	498.83	468.51	459.57	428.14	410.63	388.58	388.72	370.01	391.06	368.95	222.06	214.06	221.94	215.10	221.73	220.40	231.07	220.06	235.34	235.44	247.04	234.73	255.36	251.93	274.24	NA	NA	NA
Common Stock Value		0.10	0.10	0.12	0.12	0.12	0.13	0.12	0.13	0.13	0.14	0.14	0.14	0.14	0.13	0.13	0.12	0.12	0.12	0.12	0.12	0.12	0.12	0.12	0.11	0.11	0.11	0.11	0.10	0.09	0.09	0.09	0.09	0.09	0.09	0.09	0.09	0.09	0.08	0.08	0.08	0.08	0.08	NA	NA	NA
Additional Paid In Capital Common Stock		1057.84	1031.63	1151.70	1121.82	1120.34	1244.50	1220.69	1211.51	1176.77	1449.31	1717.42	1706.86	1645.35	1030.58	1092.57	907.91	890.26	916.10	894.66	873.10	839.92	818.11	801.36	787.48	764.07	782.85	764.10	605.64	591.77	593.35	585.00	575.60	565.18	560.24	552.77	543.79	533.74	516.85	506.21	494.36	482.72	479.28	NA	NA	NA
Retained Earnings Accumulated Deficit		-53.79	-52.37	-62.04	-43.76	-68.37	-70.55	-72.41	-323.97	-331.45	-337.19	-361.50	-368.15	-400.91	-422.60	-448.64	-411.50	-422.09	-416.29	-424.51	-413.03	-411.00	-406.58	-411.92	-398.21	-394.31	-391.61	-395.27	-383.75	-377.73	-371.33	-369.84	-353.78	-344.77	-329.08	-332.71	-308.55	-298.42	-269.87	-271.56	-239.12	-230.87	-205.12	NA	NA	NA
Accumulated Other Comprehensive Income Loss Net Of Tax		-40.67	-34.74	-56.43	-43.18	-45.34	-57.49	-101.87	-68.87	-36.92	-5.33	-1.55	-0.97	-1.24	1.53	1.33	1.85	-5.36	-1.10	-1.76	-0.62	-0.90	-1.02	-0.96	-0.66	0.14	-0.28	0.02	0.08	-0.08	-0.18	-0.15	-0.18	-0.10	-0.17	-0.09	0.01	0.03	-0.01	-0.00	0.03	0.00	-0.01	NA	NA	NA
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value		30.62	32.78	32.64	36.63	34.74	35.67	34.81	33.39	34.91	33.45	25.16	29.19	23.65	24.65	21.53	19.55	18.33	17.55	16.86	15.45	15.04	14.53	13.82	12.04	11.64	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-03-31	2023-12-31	2023-09-30	2023-06-30	2023-03-31	2022-12-31	2022-09-30	2022-06-30	2022-03-31	2021-12-31	2021-09-30	2021-06-30	2021-03-31	2020-12-31	2020-09-30	2020-06-30	2020-03-31	2019-12-31	2019-09-30	2019-06-30	2019-03-31	2018-12-31	2018-09-30	2018-06-30	2018-03-31	2017-12-31	2017-09-30	2017-06-30	2017-03-31	2016-12-31	2016-09-30	2016-06-30	2016-03-31	2015-12-31	2015-09-30	2015-06-30	2015-03-31	2014-12-31	2014-09-30	2014-06-30	2014-03-31	2013-12-31	2013-09-30	2013-06-30	2013-03-31
Net Cash Provided By Used In Operating Activities		53.32	77.48	32.81	62.75	73.16	74.02	37.96	63.72	80.03	65.10	63.62	70.93	73.57	67.79	46.45	59.24	62.97	26.83	38.73	29.91	17.94	30.45	21.15	16.96	6.55	21.70	13.29	15.32	0.83	-5.79	37.85	12.11	-19.23	-18.20	31.17	NA	NA	NA	NA	-6.54	29.14	NA	NA	-7.09	29.58
Net Cash Provided By Used In Investing Activities		-40.81	113.43	25.79	236.23	-106.78	342.67	56.04	69.25	-363.07	376.77	-167.75	190.17	-764.95	18.16	-572.46	-131.22	-47.26	-93.04	-145.63	-477.92	13.17	-36.45	-26.91	-23.41	4.24	-25.33	-105.34	-7.55	1.99	-6.36	3.50	-3.14	0.04	3.81	14.63	NA	NA	NA	NA	-3.63	-63.20	NA	NA	-3.63	-20.73
Net Cash Provided By Used In Financing Activities		-4.29	-149.96	-138.99	-404.92	-158.90	-11.85	-426.84	1.35	-307.46	-301.58	-22.05	-77.26	867.60	-133.82	768.51	-1.90	-44.17	3.88	1.69	89.45	508.48	2.23	0.07	284.53	-30.42	7.86	148.19	-11.98	-9.86	-0.73	-0.81	-0.80	-6.33	0.48	0.05	NA	NA	NA	NA	1.52	-3.37	NA	NA	2.07	0.41

		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
Net Cash Provided By Used In Operating Activities		53.32	77.48	32.81	62.75	73.16	74.02	37.96	63.72	80.03	65.10	63.62	70.93	73.57	67.79	46.45	59.24	62.97	26.83	38.73	29.91	17.94	30.45	21.15	16.96	6.55	21.70	13.29	15.32	0.83	-5.79	37.85	12.11	-19.23	-18.20	31.17	NA	NA	NA	NA	-6.54	29.14	NA	NA	-7.09	29.58
Net Income Loss		-1.42	9.66	-18.28	24.61	2.19	1.86	251.56	7.48	5.74	24.31	6.65	32.76	-65.18	26.04	-37.14	10.59	-5.71	8.22	-11.48	-2.03	-4.32	5.35	-13.71	-3.91	-2.62	3.66	-11.52	-6.03	-6.40	-1.49	-16.06	-9.01	-15.69	3.63	-24.17	-10.13	-28.54	1.69	-32.44	-8.25	-25.76	-5.42	-29.25	-3.35	-17.82
Depreciation Depletion And Amortization		19.69	-3.60	56.90	NA	25.54	-0.20	22.40	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Increase Decrease In Accounts Receivable		-6.71	0.89	9.99	-1.50	-1.58	1.49	5.49	-2.94	-0.29	8.60	-0.13	-1.22	-2.24	0.51	3.85	0.97	-4.93	-2.68	7.79	-2.92	-4.02	3.95	0.20	0.19	-2.80	0.96	1.20	-0.04	-1.95	0.44	2.29	-0.45	-2.16	-1.11	0.52	2.32	-2.43	-1.92	1.42	-0.02	2.23	-0.91	0.15	1.45	0.79
Increase Decrease In Accounts Payable		-6.59	8.24	5.49	-0.34	-0.34	-2.42	3.52	2.29	-7.53	1.42	4.96	-9.74	6.60	2.75	-1.06	-0.14	-0.44	1.59	1.43	-3.58	-1.84	3.89	-1.29	1.36	-3.07	4.94	1.30	-2.45	-1.14	-3.44	1.70	2.62	-1.61	-6.21	8.13	-1.21	-4.94	5.36	-3.31	3.77	-0.79	-2.63	5.60	0.00	-3.00
Deferred Income Tax Expense Benefit		2.88	5.65	0.79	16.70	3.44	-175.06	6.68	0.44	-0.75	-1.67	NA	NA	NA	-0.09	0.22	0.07	-0.31	-0.10	0.02	0.04	0.00	0.54	0.00	NA	NA	0.28	0.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Share Based Compensation		29.29	31.91	31.93	35.92	33.75	35.12	34.17	31.09	33.08	32.69	24.51	28.55	23.10	24.65	21.53	19.55	18.33	17.55	16.86	15.45	15.04	14.53	13.82	12.04	11.64	10.89	10.09	9.10	8.28	9.08	10.21	11.22	11.27	6.99	8.93	7.83	15.02	9.68	11.79	8.48	6.93	25.07	3.86	3.88	4.15
Amortization Of Financing Costs		0.54	NA	NA	NA	1.06	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-03-31	2023-12-31	2023-09-30	2023-06-30	2023-03-31	2022-12-31	2022-09-30	2022-06-30	2022-03-31	2021-12-31	2021-09-30	2021-06-30	2021-03-31	2020-12-31	2020-09-30	2020-06-30	2020-03-31	2019-12-31	2019-09-30	2019-06-30	2019-03-31	2018-12-31	2018-09-30	2018-06-30	2018-03-31	2017-12-31	2017-09-30	2017-06-30	2017-03-31	2016-12-31	2016-09-30	2016-06-30	2016-03-31	2015-12-31	2015-09-30	2015-06-30	2015-03-31	2014-12-31	2014-09-30	2014-06-30	2014-03-31	2013-12-31	2013-09-30	2013-06-30	2013-03-31
Net Cash Provided By Used In Investing Activities		-40.81	113.43	25.79	236.23	-106.78	342.67	56.04	69.25	-363.07	376.77	-167.75	190.17	-764.95	18.16	-572.46	-131.22	-47.26	-93.04	-145.63	-477.92	13.17	-36.45	-26.91	-23.41	4.24	-25.33	-105.34	-7.55	1.99	-6.36	3.50	-3.14	0.04	3.81	14.63	NA	NA	NA	NA	-3.63	-63.20	NA	NA	-3.63	-20.73
Payments To Acquire Property Plant And Equipment		28.02	25.75	23.43	16.70	17.17	23.85	21.96	27.75	29.53	27.05	20.53	27.61	18.98	23.86	14.35	23.15	19.96	10.81	8.03	9.43	14.06	13.18	7.96	5.20	4.88	6.21	7.42	7.74	4.77	6.86	3.62	9.42	4.80	2.37	1.74	2.66	1.49	1.28	1.31	1.21	1.28	2.17	2.02	1.64	1.54

		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
Net Cash Provided By Used In Financing Activities		-4.29	-149.96	-138.99	-404.92	-158.90	-11.85	-426.84	1.35	-307.46	-301.58	-22.05	-77.26	867.60	-133.82	768.51	-1.90	-44.17	3.88	1.69	89.45	508.48	2.23	0.07	284.53	-30.42	7.86	148.19	-11.98	-9.86	-0.73	-0.81	-0.80	-6.33	0.48	0.05	NA	NA	NA	NA	1.52	-3.37	NA	NA	2.07	0.41
Payments For Repurchase Of Common Stock		NA	148.44	0.00	35.06	151.31	0.00	23.08	0.00	300.45	NA	NA	NA	NA	NA	NA	0.00	0.00	0.00	0.00	0.00	20.00	NA	0.00	20.00	0.00	NA	0.00	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

		2024-03-31	2023-12-31	2023-09-30	2023-06-30	2023-03-31	2022-12-31	2022-09-30	2022-06-30	2022-03-31	2021-12-31	2021-09-30	2021-06-30	2021-03-31	2020-12-31	2020-09-30	2020-06-30	2020-03-31	2019-12-31	2019-09-30	2019-06-30	2019-03-31	2018-12-31	2018-09-30	2018-06-30	2018-03-31	2017-12-31	2017-09-30	2017-06-30	2017-03-31	2016-12-31	2016-09-30	2016-06-30	2016-03-31	2015-12-31	2015-09-30	2015-06-30	2015-03-31	2014-12-31	2014-09-30	2014-06-30	2014-03-31	2013-12-31	2013-09-30	2013-06-30	2013-03-31
Revenues		174.35	187.99	157.85	182.85	187.60	205.19	164.74	194.72	202.24	207.47	171.94	198.48	198.38	205.72	154.02	153.01	131.59	125.50	94.15	93.86	97.41	95.68	74.24	74.22	76.95	73.51	62.64	56.32	62.60	63.06	49.77	37.67	39.36	68.15	33.36	29.28	31.37	84.42	23.41	18.60	17.25	77.12	61.59	55.86	61.02
Skills And Other		20.30	NA	NA	NA	19.16	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
Subscription Services		154.05	NA	NA	NA	168.44	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Revenue From Contract With Customer Excluding Assessed Tax		174.35	187.99	157.85	182.85	187.60	205.19	164.74	194.72	202.24	207.47	171.94	198.48	198.38	205.72	154.02	153.01	131.59	125.50	94.15	93.86	97.41	95.68	74.24	74.22	76.95	73.51	62.64	56.32	62.60	63.06	49.77	37.67	39.36	68.15	33.36	29.28	31.37	84.42	23.41	18.60	17.25	77.12	61.59	55.86	61.02
Skills And Other		20.30	NA	NA	NA	19.16	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
Subscription Services		154.05	NA	NA	NA	168.44	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Revenue From Contract With Customer Including Assessed Tax		174.35	187.99	157.85	182.85	187.60	205.19	164.74	194.72	202.24	207.47	171.94	198.48	198.38	205.72	154.02	153.01	131.59	125.50	94.15	93.86	97.41	95.68	74.24	74.22	76.95	73.51	62.64	56.32	62.60	63.06	49.77	37.67	39.36	68.15	33.36	29.28	31.37	84.42	23.41	18.60	17.25	77.12	61.59	55.86	61.02