Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands	12 Months Ended
	Aug. 27, 2011		Aug. 28, 2010		Aug. 29, 2009
Other Comprehensive Income (Loss) [Abstract]
Beginning balance, foreign currency translation	$ 7,286		$ 5,485
Change during the year	6,562		1,801
Ending balance, foreign currency translation	13,848		7,286		5,485
Beginning balance, pension-related	(4,431)		(3,584)
Change during the year	420	[1]	(847)	[1]	(117)	[1]
Ending balance, pension-related	(4,011)		(4,431)		(3,584)
Beginning balance, interest rate swap	(992)		(2,201)
Change during the year	992	[1]	1,209	[1]	(2,013)	[1]
Ending balance, interest rate swap	0		(992)		(2,201)
Beginning balance, total accumulated other comprehensive income (loss)	1,863		(300)
Change during the year	7,974		2,163
Ending balance, total accumulated other comprehensive income (loss)	$ 9,837		$ 1,863		$ (300)

[1] These amounts are shown net of the effect of income taxes.