Leases (Tables)

6 Months Ended

Jan. 31, 2021

Leases [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Text Block]

Supplemental cash flow information related to the Company's operating leases for the six months ended January 31, 2021 and 2020, was as follows:

	Six months ended January 31,
	2021		2020
Operating cash outflows from operating leases	$	8,762	$	8,216
Operating lease assets obtained in exchange for new operating lease liabilities	3,297		10,637