Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Oct. 31, 2019	Oct. 31, 2019
Finance lease cost
Amortization of ROU assets	$ 473	$ 943
Interest on lease liabilities	39	79
Finance lease cost	512	1,022
Operating lease cost	14,166	28,393
Short-term lease cost	277	556
Variable lease cost	3,183	6,076
Sublease income	(53)	(107)
Total lease cost	$ 18,085	$ 35,940

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

+ References

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Amount of sublease income excluding finance and operating lease expense.

+ References

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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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