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 ($)
3 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Finance lease cost    
Amortization of ROU assets $ 402,000 $ 373,000
Interest on lease liabilities 54,000 48,000
Finance lease cost 456,000 421,000
Operating lease cost 11,697,000 12,415,000
Short-term lease cost 269,000 163,000
Variable lease cost 3,191,000 2,655,000
Lease impairment cost 1,629,000 0
Sublease income (1,063,000) (507,000)
Total lease cost $ 16,179,000 $ 15,147,000