Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Statement of Comprehensive Income [Abstract]
Other comprehensive income (loss), tax expense	$ (21)	$ 20	$ (19)	$ (12)

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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+ Details