Debt And Credit Facilities - Interest Expense (Details) - Convertible Debt - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Total interest expense	$ 4.2	$ 3.8	$ 11.8	$ 11.4
Convertible senior notes due 2028
Debt Instrument [Line Items]
Contractual interest expense:	1.2	0.0	1.2	0.0
Amortization of debt issuance costs:	0.3	0.0	0.3	0.0
Convertible senior notes due 2025
Debt Instrument [Line Items]
Contractual interest expense:	2.3	3.1	8.4	9.2
Amortization of debt issuance costs:	$ 0.4	$ 0.7	$ 1.9	$ 2.2