Derivative Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Apr. 04, 2015	Jan. 03, 2015
Derivative [Line Items]
Net derivative losses on closed hedge instruments in AOCI that will be realized in earnings when the hedged items impact earnings	$ 6.0	$ 2.2
Net AOCI hedging component	(31.2)
Net current deferred losses expected to be realized in the next twelve months	(9.6)
Receive-Variable/Pay-Fixed Interest Rate Swap
Derivative [Line Items]
Notional Amount (in U.S. Dollars)	$ 100.0