GOODWILL AND INTANGIBLE ASSETS - Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 149,417	$ 117,882	$ 99,633
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	153,777
Finite-Lived Intangible Assets, Amortization Expense, Year Two	113,539
Finite-Lived Intangible Assets, Amortization Expense, Year Three	101,562
Finite-Lived Intangible Assets, Amortization Expense, Year Four	93,119
Finite-Lived Intangible Assets, Amortization Expense, Year Five	93,453
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	154,932
Net Carrying Amount	$ 710,382	$ 510,151