Long-Term Debt (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended			0 Months Ended	9 Months Ended					0 Months Ended
	Sep. 01, 2012	Aug. 27, 2011	Dec. 03, 2011	Apr. 05, 2012 Credit Facility 2012 [Member]	Sep. 01, 2012 Credit Facility 2012 [Member]	Apr. 05, 2012 Credit Facility 2012 [Member] Credit Facility - Swing Line [Member]	Apr. 05, 2012 Credit Facility 2012 [Member] Credit Facility - Accordion [Member]	Sep. 01, 2012 Credit Facility 2012 [Member] Letter of Credit Sub-Facility [Member]	Apr. 05, 2012 Credit Facility 2012 [Member] Letter of Credit Sub-Facility [Member]	Dec. 18, 2007 Credit Facility 2007 [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Initiation Date				Apr. 05, 2012
Line of Credit Facility, Maximum Borrowing Capacity				$ 150,000		$ 10,000	$ 100,000			$ 250,000
Line of Credit Facility, Expiration Date										Dec. 18, 2012
Line of Credit Facility, Description				five-year multicurrency revolving credit agreement (“Credit Facility”) with a group of financial institutions
Line of Credit Facility, Interest Rate Description				the Credit Facility bear interest at either (1) a defined base rate, which varies with the highest of the defined prime rate, the federal funds rate, or a specified margin over the one-month London Interbank Offered Rate (“LIBOR”), or (2) LIBOR plus an applicable margin. Swing line loans bear interest at the defined base rate plus an applicable margin
Line of Credit Facility, Commitment Fee Description				Commitment fees and letter of credit fees are also payable under the Credit Facility
Line of Credit Facility, Amount Outstanding					0
Sub-Facility Letters of Credit Maximum Capacity									50,000
Letters of Credit Outstanding, Amount	28,272		25,623					16,012
Payments of Financing Costs	$ 564	$ 0			$ 564