XML 88 R4.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]    
Other comprehensive income, tax expense $ 76 $ 226