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Goodwill And Other Intangible Assets (Summary Of Changes In Carrying Amounts Of Definite-Lived Intangible Assets By Segment) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Feb. 28, 2014
Feb. 28, 2013
Finite-Lived Intangible Assets [Line Items]        
Beginning balance     $ 24,292  
Customer list     1,809  
Amortization expense (654) (465) (1,246) (931)
Translation adjustments     201  
Ending balance 25,056   25,056  
Americas [Member]
       
Finite-Lived Intangible Assets [Line Items]        
Beginning balance     21,536  
Amortization expense     (1,104)  
Ending balance 20,432   20,432  
EMEA [Member]
       
Finite-Lived Intangible Assets [Line Items]        
Beginning balance     2,756  
Customer list     1,809  
Amortization expense     (142)  
Translation adjustments     201  
Ending balance 4,624   4,624  
Asia-Pacific [Member]
       
Finite-Lived Intangible Assets [Line Items]        
Beginning balance         
Customer list         
Amortization expense         
Translation adjustments         
Ending balance