Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands	May 07, 2011	Aug. 28, 2010
Company's assets and liabilities measured at fair value on a recurring basis
Other current assets	$ 14,409	$ 16,303
Other long-term assets	60,840	56,398
Accrued expenses and other		(9,979)
Total	75,249
Total		62,722
Level 1 [Member]
Company's assets and liabilities measured at fair value on a recurring basis
Other current assets	14,409	11,307
Other long-term assets	53,766	47,725
Accrued expenses and other		0
Total	68,175
Total		59,032
Level 2 [Member]
Company's assets and liabilities measured at fair value on a recurring basis
Other current assets	0	4,996
Other long-term assets	7,074	8,673
Accrued expenses and other		(9,979)
Total	7,074
Total		3,690
Level 3 [Member]
Company's assets and liabilities measured at fair value on a recurring basis
Other current assets	0	0
Other long-term assets	0	0
Accrued expenses and other		0
Total	0
Total		$ 0