Debt And Credit Facilities - Interest Expense (Details) - Convertible Debt - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Total interest expense	$ 3.7	$ 3.8	$ 7.5	$ 7.6
Convertible senior notes due 2028
Debt Instrument [Line Items]
Contractual interest expense:	2.2	0.0	4.4	0.0
Amortization of debt issuance costs:	0.7	0.0	1.4	0.0
Convertible senior notes due 2025
Debt Instrument [Line Items]
Contractual interest expense:	0.7	3.0	1.4	6.1
Amortization of debt issuance costs:	$ 0.1	$ 0.8	$ 0.3	$ 1.5