Quarterly report pursuant to Section 13 or 15(d)

Leases - Components of Lease Expense (Detail)

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Leases - Components of Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Finance lease cost    
Amortization of ROU assets $ 280 $ 338
Interest on lease liabilities 24 31
Finance lease cost 304 369
Operating lease cost 13,818 13,983
Short-term lease cost 269 108
Variable lease cost 1,668 2,407
Sublease income (231) (80)
Total lease cost $ 15,828 $ 16,787