Commitments And Contingencies (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Aug. 31, 2013
|
Sep. 01, 2012
|
Aug. 27, 2011
|
|
Commitments And Contingencies [Line Items] | |||
Rental expense, operating leases | $ 13,243 | $ 11,271 | $ 10,716 |
Lease expiration date | 2030 | ||
Related Party Commitments [Member]
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Commitments And Contingencies [Line Items] | |||
Rental expense, operating leases | $ 2,293 | $ 2,258 | $ 2,247 |
Equipment And Automobile [Member]
|
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Commitments And Contingencies [Line Items] | |||
Lease expiration date | 2018 |