LEASES - Schedule of Maturities of Company's Operating and Finance Leases (Details) $ in Thousands	Jul. 31, 2020 USD ($)
Leases [Abstract]
For the fiscal year ending July 31, 2021	$ 9,816
For the fiscal year ending July 31, 2022	8,030
For the fiscal year ending July 31, 2023	5,628
For the fiscal year ending July 31, 2024	4,370
For the fiscal year ending July 31, 2025	3,317
For the fiscal year ending July 31, 2026 and thereafter	18,727
Total future lease payments	49,888
Less: amount representing interest	(16,089)
Total operating lease liabilities	33,799
For the fiscal year ending July 31, 2021	991
For the fiscal year ending July 31, 2022	1,013
For the fiscal year ending July 31, 2023	1,036
For the fiscal year ending July 31, 2024	1,059
For the fiscal year ending July 31, 2025	1,083
For the fiscal year ending July 31, 2026 and thereafter	2,061
Total future lease payments	7,243
Less: amount representing interest	(1,995)
Total finance lease liabilities	$ 5,248