Debt And Credit Facilities - Interest Expense (Details) - Convertible Debt - 2.375% convertible senior notes - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Debt Instrument [Line Items]
Contractual interest expense	$ 3.0	$ 3.0	$ 6.1	$ 6.1
Amortization of debt issuance costs	0.8	0.8	1.5	1.5
Total interest expense	$ 3.8	$ 3.8	$ 7.6	$ 7.6