Leases - Summary of Maturities of Lease Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating Leases, Expected for fiscal year 2021	$ 58,466
Operating Leases, Expected for fiscal year 2022	59,171
Operating Leases, Expected for fiscal year 2023	54,558
Operating Leases, Expected for fiscal year 2024	54,389
Operating Leases, Expected for fiscal year 2025	50,405
Operating Leases, Thereafter	120,311
Operating Leases, Total future lease payments required	397,300
Operating Leases, Less: interest	68,604
Operating Leases, Total	328,696
Finance Leases, Expected for fiscal year 2021	13,350
Finance Leases, Expected for fiscal year 2022	12,000
Finance Leases, Expected for fiscal year 2023	12,000
Finance Leases, Expected for fiscal year 2024	12,000
Finance Leases, Expected for fiscal year 2025	12,000
Finance Leases, Thereafter	15,000
Finance Leases, Total future lease payments required	76,350
Finance Leases, Less: interest	11,394
Finance Leases, Total	$ 64,956	$ 0