LEASES - Schedule of Maturities of Company's Operating and Finance Leases (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jul. 31, 2020
Leases [Abstract]
For the fiscal year ending July 31, 2022	$ 13,923
For the fiscal year ending July 31, 2023	10,576
For the fiscal year ending July 31, 2024	7,763
For the fiscal year ending July 31, 2025	5,188
For the fiscal year ending July 31, 2026	3,530
For the fiscal year ending July 31, 2027 and thereafter	18,267
Total future lease payments	59,247
Less: amount representing interest	(16,380)
Total operating lease liabilities	42,867	$ 33,799
For the fiscal year ending July 31, 2022	1,555
For the fiscal year ending July 31, 2023	1,578
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	1,107
For the fiscal year ending July 31, 2027 and thereafter	954
Total future lease payments	7,336
Less: amount representing interest	(1,561)
Total finance lease liabilities	$ 5,775	$ 5,248