Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Sep. 27, 2024	Dec. 31, 2023
Assets:
Investments in rabbi trust	$ 24.3
Liabilities:
Contingent consideration	2.0	$ 3.8
Cross-currency swap derivative contract	5.0	3.3
Carrying Amount
Assets:
Investments in rabbi trust	24.3	0.0
Liabilities:
Contingent consideration	2.0	3.8
Other debt	816.6	911.2
Carrying Amount | Convertible senior notes due 2028
Liabilities:
Convertible senior notes	489.0	486.9
Carrying Amount | Convertible senior notes due 2025
Liabilities:
Convertible senior notes	115.8	115.3
Carrying Amount | Cross-currency swap derivative contracts
Liabilities:
Cross-currency swap derivative contract	5.0	3.3
Fair Value
Assets:
Investments in rabbi trust	24.3	0.0
Liabilities:
Contingent consideration	2.0	3.8
Other debt	816.6	911.2
Fair Value | Convertible senior notes due 2028
Liabilities:
Convertible senior notes	453.8	455.7
Fair Value | Convertible senior notes due 2025
Liabilities:
Convertible senior notes	127.3	145.1
Fair Value | Cross-currency swap derivative contracts
Liabilities:
Cross-currency swap derivative contract	$ 5.0	$ 3.3