Goodwill and Intangible Assets (Details) (USD $)
6 Months Ended 12 Months Ended
Feb. 28, 2014
Aug. 31, 2013
Goodwill    
Goodwill, Impairment Loss   $ 0
Goodwill, Acquired During Period 41,318,000  
Goodwill, Translation and Purchase Accounting Adjustments 4,535,000  
Goodwill 185,379,000 139,526,000
EMEA [Member]
   
Goodwill    
Goodwill, Acquired During Period 11,618,000  
Goodwill, Translation and Purchase Accounting Adjustments 4,530,000  
Goodwill 86,414,000 70,266,000
Americas [Member]
   
Goodwill    
Goodwill, Acquired During Period 29,063,000  
Goodwill, Translation and Purchase Accounting Adjustments 3,000  
Goodwill 98,326,000 69,260,000
APAC [Member]
   
Goodwill    
Goodwill, Acquired During Period 637,000  
Goodwill, Translation and Purchase Accounting Adjustments 2,000  
Goodwill $ 639,000 $ 0