Debt And Credit Facilities - Components Of Debt (Details) - USD ($) $ in Millions	Mar. 29, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt	$ 1,506.0	$ 1,513.4
Less: current portion	(115.5)	(115.3)
Long-term debt	1,390.5	1,398.1
Senior term loan facility due 2028 (the “2028 Term Loan”)
Debt Instrument [Line Items]
Total debt	526.0	525.8
Senior euro term loan facility due 2028 (the “2028 Euro Term Loan”)
Debt Instrument [Line Items]
Total debt	376.9	385.4
Convertible Debt | Convertible senior notes due 2028
Debt Instrument [Line Items]
Total debt	487.6	486.9
Convertible Debt | Convertible senior notes due 2025
Debt Instrument [Line Items]
Total debt	$ 115.5	$ 115.3