Business And Basis Of Presentation - Narrative (Details) $ in Millions	3 Months Ended
	Apr. 01, 2022 USD ($) segment	Dec. 31, 2021 USD ($)	Apr. 02, 2021 USD ($)	Dec. 31, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of business segments (in segments) | segment	2
Long-term Debt	$ 1,384.7	$ 1,315.8
Stockholders' equity	4,030.9	4,058.0
Additional Paid-in Capital
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity	3,667.9	3,732.6	$ 3,691.1	$ 3,684.4
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity	$ 563.2	466.9	$ 198.1	$ 126.4
Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net deferred tax liability		(18.6)
Adjustment | Convertible Debt
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Long-term Debt		75.0
Adjustment | Additional Paid-in Capital
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity		(77.8)
Adjustment | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity		$ 21.4