Derivatives And Hedging Activities (Details) $ in Thousands, € in Millions	9 Months Ended
	Oct. 04, 2015 USD ($)	Sep. 28, 2014 USD ($)	Oct. 04, 2015 EUR (€)	Dec. 28, 2014 USD ($)	Dec. 28, 2014 EUR (€)
Derivative [Line Items]
Company's business conducted outside United States	60.00%
Payments for (Proceeds from) Hedge, Financing Activities	$ (19,210)	$ 0
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	$ 0
European And Asian Currencies [Member]
Derivative [Line Items]
Maximum maturity period for foreign exchange contracts, in months	12 months
Duration of foreign currency derivative contract, days	30 days	30 days
Fair Value Hedging [Member]
Derivative [Line Items]
Notional Amount of Cash Flow Hedge Instruments	$ 104,700	$ 127,200		$ 95,000
Cash Flow Hedging [Member]
Derivative [Line Items]
Notional Amount of Cash Flow Hedge Instruments | €			€ 108.7		€ 238.2