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Leases - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Leases [Abstract]    
Operating cash flows from operating leases $ 13,193 $ 7,710
Operating leases 11,598 7,204
Finance leases $ 0 $ 4,000