Annual report pursuant to Section 13 and 15(d)

Goodwill And Intangible Assets - Additional Information (Detail)

v3.22.2
Goodwill And Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2020
Schedule Of Goodwill And Intangible Assets [Line Items]      
Amortization expense $ 20.3 $ 19.2 $ 16.3
Amortizable intangible assets fully amortization year 2032    
Pivot Leadership      
Schedule Of Goodwill And Intangible Assets [Line Items]      
Tax deductible goodwill $ 5.9 6.6  
Miller Heimain      
Schedule Of Goodwill And Intangible Assets [Line Items]      
Tax deductible goodwill 22.7 $ 24.5  
Current Year Acquisition | Customer Relationships      
Schedule Of Goodwill And Intangible Assets [Line Items]      
Intangibles assets $ 15.5    
Weighted average useful life 7 years    
Current Year Acquisition | Trade Names      
Schedule Of Goodwill And Intangible Assets [Line Items]      
Intangibles assets $ 1.8    
Weighted average useful life 2 years