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Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Aug. 31, 2012
Accumulated Other Comprehensive Income [Abstract]    
Foreign currency translation adjustments $ 2,226 $ 3,658
Pension obligations, net (5,731) (6,106)
Cash flow hedges, net (124) (141)
Total accumulated other comprehensive loss $ (3,629) $ (2,589)