Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Oct. 31, 2019	Oct. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 5,767	$ 19,242
Other comprehensive income (loss):
Foreign currency translation	3,932	(5,223)
Interest rate swap, net of tax	1,245	0
Total other comprehensive income (loss):	5,177	(5,223)
Comprehensive income	$ 10,944	$ 14,019

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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