Business And Basis Of Presentation - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	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	$ 1,384.6	$ 1,380.7
Increase (decrease) in stockholders' equity	4,279.0	4,206.9
Additional Paid-in Capital
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase (decrease) in stockholders' equity	3,712.8	3,699.0	$ 3,667.9	$ 3,732.6
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase (decrease) in stockholders' equity	$ 775.2	$ 731.4	$ 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