Consolidated Statements of Comprehensive Income - Unaudited - 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]
Net income		$ 109,938	$ 96,643	$ 217,585	$ 197,849
Other comprehensive income (loss), net of tax
Net unrealized gain (loss) on cash flow hedges	[1]	4,805	1,303	4,810	1,187
Foreign currency translation adjustment (losses) gains		(2,983)	9,277	(21,696)	9,610
Other comprehensive income (loss)		1,822	10,580	(16,886)	10,797
Comprehensive income		$ 111,760	$ 107,223	$ 200,699	$ 208,646

[1] For the three and six months ended February 28, 2022, the net unrealized gain on cash flow hedges were net of a tax expense of $468 thousand and a tax expense of $469 thousand, respectively. For the three and six months ended February 28, 2021, the net unrealized gain on cash flow hedges were net of a tax expense of $441 thousand and a tax expense of $400 thousand, respectively.