Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Income Tax Disclosure Additional Details [Table] [Line Items]
Earnings before income taxes	$ 1,967	$ 17,635
Income tax (benefit) expense	$ 2,900
Effective Tax Rate	(152.40%)	12.40%
Document Period End Date	Nov. 30, 2016
Foreign Destination [Member]
Income Tax Disclosure Additional Details [Table] [Line Items]
Percent of Revenue (excluding impairment charge) from foreign jurisdictions	80.00%	75.00%