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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
Nov. 30, 2014
Nov. 30, 2013
Finite-Lived Intangible Assets [Line Items]    
Beginning balance $ 23,671us-gaap_FiniteLivedIntangibleAssetsNet  
Amortization expense (769)us-gaap_AmortizationOfIntangibleAssets (592)us-gaap_AmortizationOfIntangibleAssets
Translation adjustments (224)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments  
Ending balance 25,353us-gaap_FiniteLivedIntangibleAssetsNet  
Americas [Member]    
Finite-Lived Intangible Assets [Line Items]    
Beginning balance 19,328us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AmericasMember
 
Amortization expense (552)us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AmericasMember
 
Ending balance 18,776us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AmericasMember
 
EMEA [Member]    
Finite-Lived Intangible Assets [Line Items]    
Beginning balance 4,343us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EMEAMember
 
Amortization expense (217)us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EMEAMember
 
Translation adjustments (224)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EMEAMember
 
Ending balance 6,577us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EMEAMember
 
Asia-Pacific [Member]    
Finite-Lived Intangible Assets [Line Items]    
Beginning balance     
Amortization expense     
Translation adjustments     
Ending balance     
Customer-Related [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired 1,601us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelatedIntangibleAssetsMember
 
Ending balance 2,943us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelatedIntangibleAssetsMember
 
Customer-Related [Member] | EMEA [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired 1,601us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelatedIntangibleAssetsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EMEAMember
 
Customer-Related [Member] | Asia-Pacific [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired     
Trade Names [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired 913us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
 
Ending balance 22,260us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
 
Trade Names [Member] | EMEA [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired 913us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EMEAMember
 
Trade Names [Member] | Asia-Pacific [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired     
Technology-Based [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired 161us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
 
Ending balance 150us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
 
Technology-Based [Member] | EMEA [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired 161us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_EMEAMember
 
Technology-Based [Member] | Asia-Pacific [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired