Derivatives And Hedging Activities (Details) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 29, 2014	Jun. 29, 2014 European And Asian Currencies [Member]	Dec. 29, 2013 European And Asian Currencies [Member]	Jun. 29, 2014 Fair Value Hedging [Member] USD ($)	Dec. 29, 2013 Fair Value Hedging [Member] USD ($)	Jun. 30, 2013 Fair Value Hedging [Member] USD ($)	Dec. 30, 2012 Cash Flow Hedging [Member] EUR (€)
Derivative [Line Items]
Maximum maturity period for foreign exchange contracts, in months		12 months
Notional Amount of Cash Flow Hedge Instruments				$ 109.7	$ 138.4	$ 69.0	€ 50.0
Duration of foreign currency derivative contract, days		30 days	30 days
Company's business conducted outside United States	60.00%