GOODWILL AND INTANGIBLE ASSETS - Goodwill Rollforward (Details)
$ in Thousands
3 Months Ended
Nov. 30, 2016
USD ($)
Goodwill [Line Items]  
Goodwill $ 3,609,437
Goodwill Acquired During Period And Adjustments 455,570
Goodwill, Translation Adjustments (56,247)
Goodwill 4,008,760
Communications, Media & Technology  
Goodwill [Line Items]  
Goodwill 546,566
Goodwill Acquired During Period And Adjustments 62,433
Goodwill, Translation Adjustments (15,526)
Goodwill 593,473
Financial Services  
Goodwill [Line Items]  
Goodwill 854,376
Goodwill Acquired During Period And Adjustments 66,771
Goodwill, Translation Adjustments (8,756)
Goodwill 912,391
Health & Public Service  
Goodwill [Line Items]  
Goodwill 715,849
Goodwill Acquired During Period And Adjustments 33,577
Goodwill, Translation Adjustments (2,119)
Goodwill 747,307
Products  
Goodwill [Line Items]  
Goodwill 1,112,991
Goodwill Acquired During Period And Adjustments 263,802
Goodwill, Translation Adjustments (22,649)
Goodwill 1,354,144
Resources  
Goodwill [Line Items]  
Goodwill 379,655
Goodwill Acquired During Period And Adjustments 28,987
Goodwill, Translation Adjustments (7,197)
Goodwill $ 401,445