Financial Instruments and Fair Value Measurements (Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis) (Details) - USD ($) $ in Millions	Apr. 01, 2022	Dec. 31, 2021
Assets:
Other Assets, Fair Value Disclosure	$ 32.4	$ 36.5
Assets, Fair Value Disclosure	69.3	75.2
Liabilities:
Settlement Warrants, Fair Value Disclosure	0.0	0.0
Recurring
Assets:
Rabbi Trust Investments, Fair Value Disclosure	36.9	38.7
Liabilities:
Deferred Compensation Liability, Fair Value	29.3	36.9
Contingent consideration and acquired contingent liabilities	27.2	27.3
Total liabilities at fair value	56.5	64.2
Recurring | Level 1
Assets:
Rabbi Trust Investments, Fair Value Disclosure	24.7	24.9
Other Assets, Fair Value Disclosure	32.4	36.5
Assets, Fair Value Disclosure	57.1	61.4
Liabilities:
Deferred Compensation Liability, Fair Value	0.0	0.0
Contingent consideration and acquired contingent liabilities	0.0	0.0
Total liabilities at fair value	0.0	0.0
Recurring | Level 2
Assets:
Rabbi Trust Investments, Fair Value Disclosure	12.2	13.8
Other Assets, Fair Value Disclosure	0.0	0.0
Assets, Fair Value Disclosure	12.2	13.8
Liabilities:
Deferred Compensation Liability, Fair Value	29.3	36.9
Contingent consideration and acquired contingent liabilities	0.0	0.0
Total liabilities at fair value	29.3	36.9
Recurring | Level 3
Assets:
Rabbi Trust Investments, Fair Value Disclosure	0.0	0.0
Other Assets, Fair Value Disclosure	0.0	0.0
Assets, Fair Value Disclosure	0.0	0.0
Liabilities:
Deferred Compensation Liability, Fair Value	0.0	0.0
Contingent consideration and acquired contingent liabilities	27.2	27.3
Total liabilities at fair value	$ 27.2	$ 27.3