Annual report pursuant to Section 13 and 15(d)

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

v3.19.2
Comprehensive Income - Components of Accumulated Other Comprehensive (Loss) Income (Detail) - USD ($)
$ in Thousands
Apr. 30, 2019
Apr. 30, 2018
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]    
Foreign currency translation adjustments $ (60,270) $ (32,399)
Deferred compensation and pension plan adjustments, net of taxes (16,838) (9,073)
Interest rate swap unrealized gain, net of taxes 456 1,337
Accumulated other comprehensive loss, net $ (76,652) $ (40,135)