Leases - Summary of Lease Cost (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2019	Dec. 31, 2019
Lease cost:
Operating lease cost	$ 15,348	$ 45,728
Finance lease cost:
Depreciation of assets obtained under finance leases	3,659	7,676
Interest on lease liabilities	924	1,254
Short-term lease cost	1,474	3,491
Variable lease cost	2,724	6,446
Net lease cost	$ 24,129	$ 64,595

Amount of interest expense on finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Amount of lease cost recognized by lessee for lease contract.

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

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

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Finance lease costs.

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