Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Net income		$ 53,137	$ 66,710	$ 123,516	$ 133,293
Other comprehensive income (loss), net of tax
Net unrealized (loss) gain on cash flow hedges*	[1]	(1,268)	1,401	(1,744)	1,848
Foreign currency translation adjustments		9,400	861	17,866	(10,636)
Other comprehensive income (loss)		8,132	2,262	16,122	(8,788)
Comprehensive income		$ 61,269	$ 68,972	$ 139,638	$ 124,505

[1] For the three and six months ended February 28, 2018, the unrealized gain on cash flow hedges was net of tax benefit of $902 and $1,190, respectively. For the three and six months ended February 28, 2017, the unrealized gain on cash flow hedges was net of tax expense of $817 and $1,078, respectively.