Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Finance lease cost
Amortization of ROU assets	$ 257	$ 317	$ 537	$ 655
Interest on lease liabilities	21	30	45	61
Finance lease cost	278	347	582	716
Operating lease cost	13,457	14,027	27,275	28,010
Short-term lease cost	213	104	482	212
Variable lease cost	3,431	2,785	5,099	5,192
Lease impairment cost	7,392		7,392
Sublease income	(228)	(195)	(459)	(275)
Total lease cost	$ 24,543	$ 17,068	$ 40,371	$ 33,855

Finance lease costs.

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- Definition

Finance lease costs.

+ References

No definition available.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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-Publisher FASB
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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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- Definition

Amount of sublease income excluding finance and operating lease expense.

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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