Financial Instruments and Fair Value Measurements (Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis) (Details) - USD ($) $ in Millions	Jun. 28, 2024	Dec. 29, 2023
Assets:
Cash Flow Hedge Derivative Instrument Assets at Fair Value	$ 14.2	$ 12.9
Other Assets, Fair Value Disclosure	32.1	28.9
Assets, Fair Value Disclosure	69.4	85.1
Level 1 | Indemnification Agreement
Liabilities:
Restricted Cash and Cash Equivalents	64.9	80.7
Recurring
Assets:
Rabbi Trust Investments, Fair Value Disclosure	23.1	43.3
Liabilities:
Deferred Compensation Liability, Fair Value	20.1	21.0
Contingent consideration and acquired contingent liabilities	16.8	14.7
Total liabilities at fair value	57.3	50.8
Derivative Liability	20.4	15.1
Recurring | Level 1
Assets:
Rabbi Trust Investments, Fair Value Disclosure	15.5	29.1
Cash Flow Hedge Derivative Instrument Assets at Fair Value	0.0	0.0
Other Assets, Fair Value Disclosure	32.1	28.9
Assets, Fair Value Disclosure	47.6	58.0
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
Derivative Liability	0.0	0.0
Recurring | Level 2
Assets:
Rabbi Trust Investments, Fair Value Disclosure	7.6	14.2
Cash Flow Hedge Derivative Instrument Assets at Fair Value	14.2	12.9
Other Assets, Fair Value Disclosure	0.0	0.0
Assets, Fair Value Disclosure	21.8	27.1
Liabilities:
Deferred Compensation Liability, Fair Value	20.1	21.0
Contingent consideration and acquired contingent liabilities	0.0	0.0
Total liabilities at fair value	20.1	21.0
Derivative Liability	0.0	0.0
Recurring | Level 3
Assets:
Rabbi Trust Investments, Fair Value Disclosure	0.0	0.0
Cash Flow Hedge Derivative Instrument Assets at Fair Value	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	16.8	14.7
Total liabilities at fair value	37.2	29.8
Derivative Liability	$ 20.4	$ 15.1