Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 55,042	$ 91,041	$ 71,378
Other comprehensive (loss) income:
Foreign currency translation	(13,287)	(1,556)	1,895
Interest rate swap, net of tax	2,546	0	0
Total other comprehensive (loss) income:	(10,741)	(1,556)	1,895
Comprehensive income	$ 44,301	$ 89,485	$ 73,273