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Leases - Summary of Maturities of Lease Liabilities (Detail) $ in Thousands	Jan. 31, 2020 USD ($)
Operating
2020 (excluding the nine months ended January 31, 2020)	$ 15,993
2021	57,740
2022	50,324
2023	43,468
2024	40,464
Thereafter	77,370
Total lease payments	285,359
Less: imputed interest	37,558
Total	247,801
Financing
2020 (excluding the nine months ended January 31, 2020)	456
2021	1,503
2022	1,052
2023	441
2024	206
Thereafter	48
Total lease payments	3,706
Less: imputed interest	199
Total	$ 3,507

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