Goodwill and Other Assets - Schedule of Combined Assets Group (Details) - USD ($)		3 Months Ended	12 Months Ended
		Feb. 28, 2025	May 31, 2025	May 31, 2024	May 31, 2023
Net Book Value
Total			$ 10,400,000
Pre-Tax Impairment Recognized
Total long-lived assets		$ 0		$ 1,400,000
Total			7,400,000	$ 1,400,000	$ 2,100,000
Disposal Group Held for Use
Net Book Value
Total long-lived assets			17,000,000
Prepaid expenses and other current assets	[1]		600,000
Total other assets			600,000
Total			17,600,000
Pre-Tax Impairment Recognized
Total long-lived assets			5,600,000
Prepaid expenses and other current assets	[1]		500,000
Total other assets			500,000
Total			6,100,000
Disposal Group Held for Use | Finance Lease Assets and Buildings and Improvements, Net
Net Book Value
Total long-lived assets			10,100,000
Pre-Tax Impairment Recognized
Total long-lived assets			0
Disposal Group Held for Use | Machinery and Equipment and Other Long-lived Assets
Net Book Value
Total long-lived assets	[2]		5,100,000
Pre-Tax Impairment Recognized
Total long-lived assets	[2]		3,800,000
Disposal Group Held for Use | Other Intangible Assets, Net
Net Book Value
Total long-lived assets			1,800,000
Pre-Tax Impairment Recognized
Total long-lived assets			$ 1,800,000

[1] Impairment recognized using applicable accounting guidance outside of long-lived asset guidance.

[2] Fair value was determined using unobservable Level 3 inputs.