XML 46 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Tax adjustment for unusual items $ 0 $ 0
Income tax expense $ 1,607 $ 462
Estimated effective income tax rate 33.50% 34.60%