Restructuring - Additional Information (Detail) - MAP 2025 $ in Millions	6 Months Ended
	Nov. 30, 2025 USD ($)
Restructuring Cost and Reserve [Line Items]
Total expected costs decreased, amount	$ 0.9
Severance and benefit charges
Restructuring Cost and Reserve [Line Items]
Total expected costs decreased, amount	1.6
Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Total expected costs increased, amount	$ 0.7