Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 200,285	$ 218,180
Other comprehensive income:
Foreign currency translation adjustments	(7,406)	13,239
Comprehensive income, net of tax:
Comprehensive income	$ 192,879	$ 231,419