Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 24,464	$ 5,767
Other comprehensive income:
Foreign currency translation	502	3,932
Interest rate swap, net of tax	1,848	1,245
Total other comprehensive income:	2,350	5,177
Comprehensive income	$ 26,814	$ 10,944