Business And Basis Of Presentation - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($) segment	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jul. 01, 2022 USD ($)	Apr. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of business segments (in segments) | segment	2
Long-term debt	$ 1,387.1		$ 1,380.7
Increase (decrease) in stockholders' equity	4,311.0		4,206.9
Additional Paid-in Capital
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase (decrease) in stockholders' equity	3,719.2	$ 3,712.8	3,699.0	$ 3,678.4	$ 3,667.9	$ 3,732.6
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase (decrease) in stockholders' equity	$ 827.1	$ 775.2	$ 731.4	$ 610.3	$ 563.2	466.9
Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net deferred tax liability						18.6
Adjustment | Additional Paid-in Capital
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase (decrease) in stockholders' equity						(77.8)
Adjustment | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase (decrease) in stockholders' equity						21.4
Adjustment | Convertible Debt
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Long-term debt						$ 75.0