PREPAID EXPENSES AND OTHER CURRENT ASSETS - Schedule of Prepaid Expense and Other Current Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Class of Stock [Line Items]
Prepaid expenses	$ 2,217	$ 2,085
Other current assets	1,969	1,466
Prepaid expenses and other current assets	158,686	3,551
Aerojet Share
Class of Stock [Line Items]
Aerojet common stock proceeds receivable	$ 154,500	$ 0