Condensed Consolidated Statements Of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenues	$ 428.9	$ 402.3
Costs and expenses:
Cost of revenues	49.2	49.4
Research and development	27.5	26.0
Selling, General and Administrative Expense	58.6	55.7
Total costs and expenses	135.3	131.1
Operating income	293.6	271.2
Interest expense	(18.9)	(20.3)
Non-operating income (loss), net	4.7	7.5
Income (Loss) before Income Taxes, Total	279.4	258.4
Income tax expense	(64.9)	(59.1)
Net Income	214.5	199.3
Other comprehensive income (loss)	(0.1)	(0.3)
Comprehensive Income	$ 214.4	$ 199.0
Income (Loss) from Continuing Operations, Per Basic Share	$ 2.34	$ 2.11
Income (Loss) from Continuing Operations, Per Diluted Share	$ 2.34	$ 2.10
Basic	91.6	94.6
Diluted	91.8	94.8
Basic income (loss) per share
Net Income	$ 2.34	$ 2.11
Diluted income (loss) per share
Net Income	$ 2.34	$ 2.10
Shares used to compute net income per share
Basic	91.6	94.6
Diluted	91.8	94.8