CONSOLIDATED BALANCE SHEETS (Parenthetical)	Aug. 31, 2017 $ / shares shares	Aug. 31, 2017 € / shares shares	Aug. 31, 2016 $ / shares shares	Aug. 31, 2016 € / shares shares
Ordinary Shares
Ordinary shares, par value | € / shares		€ 1		€ 1.00
Ordinary shares, shares authorized	40,000	40,000	40,000	40,000
Ordinary shares, shares issued	40,000	40,000	40,000	40,000
Treasury shares, ordinary shares	40,000	40,000	40,000	40,000
Class A Ordinary Shares
Ordinary shares, par value | $ / shares	$ 0.0000225		$ 0.0000225
Ordinary shares, shares authorized	20,000,000,000	20,000,000,000	20,000,000,000	20,000,000,000
Ordinary shares, shares issued	638,965,789	638,965,789	654,202,813	654,202,813
Treasury shares, ordinary shares	23,408,811	23,408,811	33,529,739	33,529,739
Class X Ordinary Shares
Ordinary shares, par value | $ / shares	$ 0.0000225		$ 0.0000225
Ordinary shares, shares authorized	1,000,000,000	1,000,000,000	1,000,000,000	1,000,000,000
Ordinary shares, shares issued	20,531,383	20,531,383	21,917,155	21,917,155
Ordinary shares, shares outstanding	20,531,383	20,531,383	21,917,155	21,917,155