Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended					3 Months Ended
	Sep. 01, 2012	Aug. 27, 2011	Sep. 01, 2012	Aug. 27, 2011	Sep. 01, 2012 Fair Value, Inputs, Level 1 [Member]	Sep. 01, 2012 Fair Value, Inputs, Level 2 [Member]	Sep. 01, 2012 Fair Value, Inputs, Level 3 [Member]	Jun. 02, 2012 Cost Basis Investments Fair Value [Member]	Feb. 26, 2011 Trademarks And Trade Names Fair Value [Member]
Assets
Marketable securities	$ 28,267		$ 28,267		$ 28,267	$ 0	$ 0
Derivative assets	887		887		0	887
Interest rate swaps	9,452		9,452		0	9,452	0
Cash-flow hedges	6,309		6,309		0	6,309	0
Liabilities [Abstract]
Derivative liabilities	1,274		1,274		0	1,274	0
Contingent consideration liability, continuing operations	1,866		1,866		0	0	1,866
Contingent consideration liability, discontinued operations	5,000		5,000		0	0	5,000
Fair Value Of Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Asset impairment charges	$ 0	$ 0	$ 671	$ 332				$ 671	$ 332