Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Basis of Presentation - Additional Information (Details)

v3.2.0.727
Basis of Presentation Basis of Presentation - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May. 31, 2015
Feb. 28, 2015
May. 31, 2014
May. 31, 2015
May. 31, 2014
Accounting Policies [Abstract]          
Prior Period Reclassification Adjustment       $ 10,400  
Impairment charge $ 0 $ 84,353 $ 0 $ 84,353 $ 0