Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)

v3.8.0.1
CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2015
Apr. 16, 2012
Senior Notes | 5.625% Senior Notes        
Debt instrument, interest rate 5.625% 5.625% 5.625% 5.625%