Debt (Schedule of Borrowings) (Details) - USD ($) $ in Millions	Sep. 28, 2019	Dec. 29, 2018	Sep. 29, 2018
Debt Instrument [Line Items]
Borrowings under revolving credit agreements and other short-term notes	$ 493.3	$ 125.0	$ 1.5
Capital Lease Obligations	0.0	0.4	0.4
Unamortized debt issuance costs	(4.3)	(4.9)	(5.0)
Total debt	934.0	570.5	662.5
Term Loan A [Member] \| December Sixth Two Thousand Twenty Two [Domain]
Debt Instrument [Line Items]
Long-term debt	195.0	200.0	415.6
Senior Notes [Member] \| September First Two Thousand Twenty Six [Member]
Debt Instrument [Line Items]
Long-term debt	$ 250.0	$ 250.0	$ 250.0

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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