Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Apr. 03, 2026	Dec. 31, 2025
Assets:
Investments in rabbi trust	$ 29.5	$ 27.5
Liabilities:
Derivative liability		10.2
Cross-currency swap derivative contract
Liabilities:
Derivative liability	7.4
Foreign currency contract
Liabilities:
Derivative liability	4.0
Carrying Amount
Assets:
Investments in rabbi trust	29.5	27.5
Liabilities:
Other long-term debt	945.9	955.8
Carrying Amount | Cross-currency swap derivative contract
Liabilities:
Derivative liability	7.4	10.2
Carrying Amount | Foreign currency contract
Liabilities:
Derivative liability	4.0	0.0
Carrying Amount | Convertible senior notes due 2028 (the “2028 Convertible Notes”)
Liabilities:
Convertible senior notes	493.2	492.5
Fair Value
Assets:
Investments in rabbi trust	29.5	27.5
Liabilities:
Other long-term debt	945.9	955.8
Fair Value | Cross-currency swap derivative contract
Liabilities:
Derivative liability	7.4	10.2
Fair Value | Foreign currency contract
Liabilities:
Derivative liability	4.0	0.0
Fair Value | Convertible senior notes due 2028 (the “2028 Convertible Notes”)
Liabilities:
Convertible senior notes	$ 499.5	$ 481.2