Derivatives And Hedging Activities (Details)	1 Months Ended	12 Months Ended				12 Months Ended									3 Months Ended	12 Months Ended
	May 31, 2008 USD ($)	Dec. 28, 2014 USD ($)	Dec. 29, 2013 USD ($)	Dec. 30, 2012 USD ($)	Jan. 01, 2012 USD ($)	Dec. 28, 2014 European And Asian Currencies [Member]	Dec. 29, 2013 European And Asian Currencies [Member]	Dec. 30, 2012 European And Asian Currencies [Member]	Dec. 28, 2014 Fair Value Hedging [Member] USD ($)	Dec. 29, 2013 Fair Value Hedging [Member] USD ($)	Dec. 30, 2012 Fair Value Hedging [Member] USD ($)	Dec. 28, 2014 Cash Flow Hedging [Member] EUR (€)	Dec. 29, 2013 Cash Flow Hedging [Member]	Dec. 30, 2012 Cash Flow Hedging [Member] EUR (€)	Dec. 29, 2013 Interest Rate Contract [Member] Interest Expense [Member] USD ($)	Dec. 29, 2013 Interest Rate Contract [Member] Interest Expense [Member] USD ($)	Dec. 30, 2012 Interest Rate Contract [Member] Interest Expense [Member] USD ($)	Dec. 28, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] USD ($)	Dec. 29, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] USD ($)
Derivative [Line Items]
Company's business conducted outside United States		60.00%
Maximum maturity period for foreign exchange contracts, in months						12 months
Duration of foreign currency derivative contract, days						30 days	30 days	30 days
Derivative, Number of Instruments Held												5	0	2
Derivative, Notional Amount									$ 95,000,000	$ 138,400,000	$ 64,300,000	€ 238,200,000		€ 50,000,000
Foreign Currency Contract, Asset, Fair Value Disclosure																		(3,205,000)	(293,000)
Settlement of forward interest rate contracts with notional amounts	150,000,000
Accumulated derivative losses in other comprehensive (loss) income, net of taxes	8,400,000
Accumulated derivative losses in other comprehensive (loss) income, tax	5,400,000
Accumulated derivative losses related to effective cash flow hedges in accumulated other comprehensive loss, net of taxes		0	0	(2,892,000)	(4,088,000)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax			4,800,000												(2,800,000)	(2,000,000)	(2,000,000)
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months		$ 0