Financial Instruments and Fair Value Measurements (Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 30, 2022
Assets:
Other Assets, Fair Value Disclosure	$ 10.3	$ 25.5
Assets, Fair Value Disclosure	63.4	62.1
Liabilities:
Cash Flow Hedge Derivative Instrument Assets at Fair Value	14.9
Level 1 | Indemnification Agreement
Liabilities:
Restricted Cash and Cash Equivalents	56.9	57.2
Recurring
Assets:
Rabbi Trust Investments, Fair Value Disclosure	38.2	36.6
Liabilities:
Deferred Compensation Liability, Fair Value	19.0	26.0
Contingent consideration and acquired contingent liabilities	7.7	7.3
Total liabilities at fair value	26.7	33.3
Recurring | Level 1
Assets:
Rabbi Trust Investments, Fair Value Disclosure	26.1	24.8
Other Assets, Fair Value Disclosure	10.3	25.5
Assets, Fair Value Disclosure	36.4	50.3
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
Cash Flow Hedge Derivative Instrument Assets at Fair Value	0.0
Recurring | Level 2
Assets:
Rabbi Trust Investments, Fair Value Disclosure	12.1	11.8
Other Assets, Fair Value Disclosure	0.0	0.0
Assets, Fair Value Disclosure	27.0	11.8
Liabilities:
Deferred Compensation Liability, Fair Value	19.0	26.0
Contingent consideration and acquired contingent liabilities	0.0	0.0
Total liabilities at fair value	19.0	26.0
Cash Flow Hedge Derivative Instrument Assets at Fair Value	14.9
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	7.7	7.3
Total liabilities at fair value	7.7	$ 7.3
Cash Flow Hedge Derivative Instrument Assets at Fair Value	$ 0.0