Leases - Summary of Maturities of Operating Lease Liabilities (Details) $ in Thousands	Jul. 31, 2021 USD ($)
Operating
Remainder of fiscal year	$ 31,379
Year one	68,822
Year two	55,187
Year three	42,572
Year four	30,614
Thereafter	45,227
Total minimum lease payments	273,801
Less amount representing interest	22,633
Operating lease obligations	251,168
Finance
Remainder of fiscal year	561
Year one	1,095
Year two	980
Year three	397
Year four	302
Thereafter	42
Total minimum lease payments	3,377
Less amount representing interest	236
Finance lease obligations	3,141
Total
Remainder of fiscal year	31,940
Year one	69,917
Year two	56,167
Year three	42,969
Year four	30,916
Thereafter	45,269
Total minimum lease payments	277,178
Less amount representing interest	22,869
Total lease obligations	$ 254,309