XML 18 R3.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Aug. 31, 2017
Aug. 31, 2016
Consolidated Balance Sheets [Abstract]    
Allowance for doubtful accounts $ 2,310 $ 1,579
Common stock, par value $ 0.05 $ 0.05
Common stock, shares authorized 40,000,000 40,000,000
Common stock, shares issued 27,056,000 27,056,000
Treasury stock, shares 13,414,000 13,332,000