Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 03, 2011	Aug. 27, 2011	May 28, 2011	Feb. 26, 2011	Nov. 27, 2010	Aug. 28, 2010	May 29, 2010	Feb. 27, 2010	Dec. 03, 2011	Nov. 27, 2010	Nov. 28, 2009
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 307,529	$ 284,819	$ 288,533	$ 245,720	$ 275,659	$ 262,770	$ 257,869	$ 215,131	$ 1,126,601	$ 1,011,429	$ 907,748
Property, plant and equipment, at cost, less accumulated depreciation	184,992				181,175				184,992	181,175	188,091
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									775,987	702,510	634,057
Property, plant and equipment, at cost, less accumulated depreciation	164,712				161,000				164,712	161,000	170,398
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									106,712	99,939	103,917
Property, plant and equipment, at cost, less accumulated depreciation	2,924				3,375				2,924	3,375	4,157
Other International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									243,902	208,980	169,774
Property, plant and equipment, at cost, less accumulated depreciation	$ 17,356				$ 16,800				$ 17,356	$ 16,800	$ 13,536