SHARE-BASED COMPENSATION - Restricted Share Unit Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Aug. 31, 2017		Aug. 31, 2016	Aug. 31, 2015
Number of Restricted Share Units
Nonvested balance as of August 31, 2016 (in shares)		21,963,705
Granted (in shares) (1)	[1]	9,414,391
Vested (in shares) (2)	[2]	(9,005,407)
Forfeited (in shares)		(1,343,647)
Nonvested balance as of August 31, 2017 (in shares)		21,029,042		21,963,705
Weighted Average Grant-Date Fair Value
Nonvested balance as of August 31, 2016 (in dollars per share)		$ 85.81
Granted (in dollars per share) (1)		117.72	[1]	$ 105.16	$ 89.63
Vested (in dollars per share) (2)	[2]	121.14
Forfeited (in dollars per share)		92.48
Nonvested balance as of August 31, 2017 (in dollars per share)		$ 101.88		$ 85.81
Vested, grant-date fair value		$ 1,090,943		$ 796,620	$ 581,936

[1] 2017, 2016 and 2015 was $117.72, $105.16 and $89.63, respectively.

[2] 2017, 2016 and 2015 was $1,090,943, $796,620 and $581,936, respectively.