Business Acquisitions, Investments and Redeemable Noncontrolling Interests (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Nov. 30, 2013	Aug. 31, 2013	Jun. 01, 2013	Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	Jun. 02, 2012	Mar. 03, 2012	Nov. 30, 2013	Dec. 01, 2012	Dec. 03, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Net sales	$ 297,790	$ 289,126	$ 287,583	$ 256,271	$ 292,913	$ 286,733	$ 284,855	$ 257,264	$ 1,130,770	$ 1,121,765	$ 1,126,601
Operating Income (Loss)									174,616	182,714	181,267
TransWeb [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Net sales									5,400	8,607	13,022
Operating Income (Loss)									(2,262)	(378)	2,552
Modular [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Net sales									7,035	5,314
Operating Income (Loss)									$ (1,513)	$ 149