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Debt and Credit Facilities - Interest Expense (Details) - Convertible Debt - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2026	Jun. 27, 2025	Jul. 03, 2026	Jun. 27, 2025
Debt Instrument [Line Items]
Total interest expense	$ 2.9	$ 3.5	$ 5.8	$ 7.3
Convertible senior notes due 2028 (the “2028 Convertible Notes”)
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
2025 Convertible Notes
Debt Instrument [Line Items]
Contractual interest expense:	0.0	0.5	0.0	1.2
Amortization of debt issuance costs:	$ 0.0	$ 0.1	$ 0.0	$ 0.3

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