Financial Instruments and Risk Management (Derivative Notional Amounts) (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 20, 2015	Jun. 14, 2014	Jan. 03, 2015
Foreign exchange contracts [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 202.6	$ 162.2	$ 141.6
Maximum remaining maturity of foreign currency derivatives	356 days	336 days	336 days
Interest Rate Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 364.7	$ 430.9	$ 405.4