Annual report pursuant to Section 13 and 15(d)

Guarantor Subsidiaries - Additional Information (Detail)

v3.3.0.814
Guarantor Subsidiaries - Additional Information (Detail) - Senior Notes - 5.625% Senior Notes - USD ($)
$ in Thousands
Aug. 31, 2015
Aug. 31, 2014
Aug. 31, 2013
Apr. 16, 2012
Debt Instrument [Line Items]        
Long-term debt       $ 300,000
5.625% Senior Notes Carrying Value $ 288,059 $ 300,000    
Debt instrument, interest rate 5.625%   5.625% 5.625%