Derivative Financial Instruments (Offsetting) (Details) - USD ($) $ in Millions	Dec. 30, 2017	Dec. 31, 2016
Commodity Forwards | Prepaid Expenses and Other Current Assets
Offsetting Derivative Assets [Abstract]
Gross Amounts as Presented in the Consolidated Balance Sheet	$ 11.0	$ 7.3
Derivative Contract Amounts Subject to Right of Offset	0.0	0.0
Derivative Contracts as Presented on a Net Basis	11.0	7.3
Commodity Forwards | Other Noncurrent Assets
Offsetting Derivative Assets [Abstract]
Gross Amounts as Presented in the Consolidated Balance Sheet	0.7
Derivative Contract Amounts Subject to Right of Offset	0.0
Derivative Contracts as Presented on a Net Basis	0.7
Currency Forwards | Prepaid Expenses and Other Current Assets
Offsetting Derivative Assets [Abstract]
Gross Amounts as Presented in the Consolidated Balance Sheet	15.6	2.8
Derivative Contract Amounts Subject to Right of Offset	(5.9)	(1.7)
Derivative Contracts as Presented on a Net Basis	9.7	1.1
Currency Forwards | Other Noncurrent Assets
Offsetting Derivative Assets [Abstract]
Gross Amounts as Presented in the Consolidated Balance Sheet	2.5	0.4
Derivative Contract Amounts Subject to Right of Offset	(0.7)	(0.2)
Derivative Contracts as Presented on a Net Basis	1.8	0.2
Currency Forwards | Current Hedging Obligations
Offsetting Derivative Liabilities [Abstract]
Gross Amounts as Presented in the Consolidated Balance Sheet	8.1	45.7
Derivative Contract Amounts Subject to Right of Offset	(5.9)	(1.7)
Derivative Contracts as Presented on a Net Basis	2.2	44.0
Currency Forwards | Noncurrent Hedging Obligations
Offsetting Derivative Liabilities [Abstract]
Gross Amounts as Presented in the Consolidated Balance Sheet	0.9	17.6
Derivative Contract Amounts Subject to Right of Offset	(0.7)	(0.2)
Derivative Contracts as Presented on a Net Basis	$ 0.2	$ 17.4