Derivative Financial Instruments (Company's Derivative Positions and Their Impact on Company's Operations) (Details) (Foreign exchange contracts, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Fair value hedging relationships | Other expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives	$ (36.6)	$ (17.4)	$ 11.9
Amount of gain or (loss) recognized in income on related hedged items	35.0	16.7	(11.9)
Cash flow hedging relationships
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	15.9	6.5	(0.9)
Cash flow hedging relationships | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amounts excluded from effectiveness testing)	(4.9)	(2.9)	(2.5)
Cash flow hedging relationships | Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income (effective portion)	9.1	3.2	1.0
Net equity hedging relationships
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	38.8	20.8	(13.9)
Net equity hedging relationships | Other expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income (effective portion)	0	0	0
Net equity hedging relationships | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amounts excluded from effectiveness testing)	$ (13.3)	$ (13.2)	$ (12.9)