Financial Instruments (Details) In Thousands, unless otherwise specified	12 Months Ended					12 Months Ended							12 Months Ended
	Nov. 29, 2014 USD ($)	Nov. 30, 2013 USD ($)	Dec. 01, 2012 USD ($)	Dec. 03, 2011 USD ($)	Mar. 03, 2012 CHF	Nov. 30, 2013 Interest Rate Swap [Member] USD ($)	Dec. 01, 2012 Interest Rate Swap [Member] USD ($)	Dec. 03, 2011 Interest Rate Swap [Member] USD ($)	Nov. 30, 2013 First Cross Currency Swap [Member] USD ($)	Nov. 30, 2013 Second Cross Currency Swap [Member] USD ($)	Dec. 01, 2012 Foreign Exchange Option [Member] USD ($)	May 28, 2011 Foreign Exchange Option [Member] USD ($)	Nov. 30, 2013 Currency Swap [Member] USD ($)	Dec. 01, 2012 Currency Swap [Member] USD ($)
Financial instruments gain loss [Line Items]
Foreign currency		$ 865	$ 126	$ 160
Forward currency contracts for acquisition					370,000
Mark to market gain			11,621
Notional amount foreign currency option									52,860	98,738		100,000	151,598
Fair value of derivitive expensed											841
Value of hedged item in a fair value hedge						75,000
Change in Fair Value of Senior Notes						6,065	8,862
The fair values of the swaps (assets) in total						5,930	9,473
Hedge ineffectiveness						(746)	362	456
Cross Currency Swaps [Abstract]
Derivative Notional Amounts									52,860	98,738		100,000	151,598
Foreign Currency Cash Flow Hedge Liability At Fair Value		4,801							1,504	3,297			4,801
Foreign Currency Cash Flow Hedge Asset at Fair Value			1,610											1,610
Cross currency hedge ineffectiveness													58	(15)
Cross currency amount in AOCI	$ 73	$ 303	$ (394)	$ 0									$ (91)	$ (394)
Fiscal year of expiration									2014	2015
Interest rate minimum									4.15%	4.30%
Interest rate maximum									4.30%	4.45%