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Leases - Summary of Supplemental Cash Flow Information Related to Leases (Detail)
$ in Thousands
9 Months Ended
Jan. 31, 2020
USD ($)
Cash paid for amounts included in the measurement of lease liabilities:  
Operating cash flows from operating leases $ 47,040
Financing cash flows from finance leases 1,426
ROU assets obtained in exchange for lease obligations:  
Operating leases 11,742
Finance leases $ 1,102