Quarterly report pursuant to Section 13 or 15(d)

Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Loss (Detail)

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Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Thousands
Jul. 31, 2021
Apr. 30, 2021
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]    
Foreign currency translation adjustments $ (42,034) $ (33,666)
Deferred compensation and pension plan adjustments, net of tax (17,794) (18,135)
Marketable securities unrealized loss, net of tax (15) (19)
Accumulated other comprehensive loss, net $ (59,843) $ (51,820)