Financial Instruments and Fair Value Measurements (Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis) (Details) - Recurring - USD ($) $ in Millions	Mar. 29, 2019	Dec. 28, 2018
Assets:
Rabbi Trust Investments, Fair Value Disclosure	$ 34.7	$ 33.1
Liabilities:
Deferred Compensation Liability, Fair Value	43.4	38.5
Contingent consideration and acquired contingent liabilities	157.7	151.4
Total liabilities at fair value	201.1	189.9
Level 1
Assets:
Rabbi Trust Investments, Fair Value Disclosure	24.5	22.4
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
Level 2
Assets:
Rabbi Trust Investments, Fair Value Disclosure	10.2	10.7
Liabilities:
Deferred Compensation Liability, Fair Value	43.4	38.5
Contingent consideration and acquired contingent liabilities	0.0	0.0
Total liabilities at fair value	43.4	38.5
Level 3
Assets:
Rabbi Trust Investments, Fair Value Disclosure	0.0	0.0
Liabilities:
Deferred Compensation Liability, Fair Value	0.0	0.0
Contingent consideration and acquired contingent liabilities	157.7	151.4
Total liabilities at fair value	157.7	151.4
StrataGraft [Member] | Stratatech | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair value of contingent liability	$ 57.5	$ 53.7