Leases (Tables)

3 Months Ended

Oct. 31, 2020

Leases [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Text Block]

Supplemental cash flow information related to the Company's operating leases for the three months ended October 31, 2020 and 2019, was as follows:

	Three months ended October 31,
	2020		2019
Operating cash flows from operating leases	$	4,297	$	4,010
Operating lease assets obtained in exchange for new operating lease liabilities	2,936		9,952