Quarterly report pursuant to Section 13 or 15(d)

Comprehensive Income - Changes in Each Component of Accumulated Other Comprehensive Loss (Parenthetical) (Detail)

v3.22.2.2
Comprehensive Income - Changes in Each Component of Accumulated Other Comprehensive Loss (Parenthetical) (Detail)
$ in Millions
3 Months Ended
Jul. 31, 2021
USD ($)
Deferred Compensation and Pension Plan  
Accumulated Other Comprehensive Income Loss [Line Items]  
Tax effect on reclassification of realized net losses $ 0.1