Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Comprehensive income, net of tax:
Net income	$ 270,360	$ 219,783	$ 178,687
Other comprehensive income:
Unrealized gain on interest rate swaps, net	603	1,926	2,140
Reclassification adjustment of interest rate swaps, net	(320)	(1,141)	(1,467)
Foreign currency translation adjustments	(40,684)	(49,518)	26,428
Total comprehensive income	229,959	171,050	205,788
Tax effects on unrealized gain (loss) on interest rate swaps	(342)	(1,026)	(1,125)
Tax effects on reclassification adjustment of interest rate swaps	$ 178	$ 582	$ 744