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Restructuring - Additional Information (Detail) - MAP to Growth
$ in Millions
3 Months Ended
Aug. 31, 2021
USD ($)
Restructuring Cost And Reserve [Line Items]  
Decrease in current total expected costs $ 1.6
Severance and Benefit Charges  
Restructuring Cost And Reserve [Line Items]  
Decrease in current total expected costs 0.8
Facility Closure and Other Related Costs  
Restructuring Cost And Reserve [Line Items]  
Decrease in current total expected costs $ 0.8