Impairment of Assets - Additional Information (Detail) - USD ($)	3 Months Ended			9 Months Ended
	Feb. 28, 2026	Nov. 30, 2025	Feb. 28, 2025	Feb. 28, 2026	Feb. 28, 2025
Impairment of Assets [Line Items]
Lowered net asset value		$ 500,000
Impairment of assets	$ 1,500,000	$ 600,000	$ 7,400,000	$ 2,100,000	$ 7,400,000
Pre-tax asset impairment charges	0		7,400,000	0
Internal-use Software
Impairment of Assets [Line Items]
Internal-use software assets	0			$ 0
Written down of internal-use software assets	0
Pre-tax Asset
Impairment of Assets [Line Items]
Pre-tax asset impairment charges			6,100,000
In-process Research & Development Intangible Asset
Impairment of Assets [Line Items]
Pre-tax asset impairment charges			$ 1,300,000
Machinery and Equipment
Impairment of Assets [Line Items]
Impairment of assets	0
Construction in Progress
Impairment of Assets [Line Items]
Impairment of assets	$ 1,500,000