Derivatives And Hedging Activities (Details)	1 Months Ended	6 Months Ended		12 Months Ended			6 Months Ended	12 Months Ended
	May 31, 2008 USD ($)	Jul. 01, 2012 USD ($) days	Jul. 01, 2012 EUR (€) days	Jan. 01, 2012 USD ($) days	Jul. 03, 2011 USD ($)	Jul. 01, 2012 European And Asian Currencies [Member]	Jul. 01, 2012 Interest Rate Contract [Member] Interest Expense [Member] USD ($)	Jan. 01, 2012 Interest Rate Contract [Member] Interest Expense [Member] USD ($)	Jul. 01, 2012 Carrying (Reported) Amount, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] USD ($)
Derivative [Line Items]
Company's business conducted outside United States		60.00%	60.00%
Maximum maturity period for foreign exchange contracts, in months						12
Forward foreign exchange contracts with U.S. equivalent notional amounts		$ 61,700,000			$ 108,400,000
Forward foreign exchange contracts with EURO equivalent notional amounts			125,000,000
Foreign Currency Contract, Asset, Fair Value Disclosure									(4,050,000)
Duration of foreign currency derivative contract, days		30	30	30
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		3,490,000		4,088,000
Accumulated derivative losses related to effective cash flow hedges in accumulated other comprehensive loss, tax		2,300,000
Derivative losses are being amortized into interest expense							$ 1,000,000	$ 2,000,000