Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 26, 2011	Mar. 03, 2012
Assets
Marketable securities		$ 65,374
Derivative assets		12,089
Interest rate swaps		8,372
Liabilities [Abstract]
Derivative liabilities		1,277
Contingent consideration liability		1,893
Impairment of Long-Lived Assets Held-for-use	332
Fair Value, Inputs, Level 1 [Member]
Assets
Marketable securities		65,374
Derivative assets		0
Interest rate swaps		0
Liabilities [Abstract]
Derivative liabilities		0
Contingent consideration liability		0
Fair Value, Inputs, Level 2 [Member]
Assets
Marketable securities		0
Derivative assets		12,089
Interest rate swaps		8,372
Liabilities [Abstract]
Derivative liabilities		1,277
Contingent consideration liability		0
Fair Value, Inputs, Level 3 [Member]
Assets
Marketable securities		0
Derivative assets
Interest rate swaps		0
Liabilities [Abstract]
Derivative liabilities		0
Contingent consideration liability		$ 1,893