Debt and Credit Facilities - Interest Expense (Details) - Convertible Debt - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Debt Instrument [Line Items]
Total interest expense	$ 3.5	$ 3.7	$ 7.3	$ 7.5
Convertible senior notes due 2028
Debt Instrument [Line Items]
Contractual interest expense:	2.2	2.2	4.4	4.4
Amortization of debt issuance costs:	0.7	0.7	1.4	1.4
Convertible senior notes due 2025
Debt Instrument [Line Items]
Contractual interest expense:	0.5	0.7	1.2	1.4
Amortization of debt issuance costs:	$ 0.1	$ 0.1	$ 0.3	$ 0.3