XML 14 R4.htm IDEA: XBRL DOCUMENT v3.19.2
Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 31, 2019
May 31, 2018
May 31, 2019
May 31, 2018
Statement Of Income And Comprehensive Income [Abstract]        
Other comprehensive income, tax expense $ 120 $ 347 $ 421 $ 74