Goodwill and Other Intangibles - Narrative (Details) - USD ($)		3 Months Ended	6 Months Ended		12 Months Ended
	Sep. 01, 2022	Nov. 30, 2023	Nov. 30, 2023	Nov. 30, 2022	May 31, 2023
Goodwill [Line Items]
Additions			$ 0	$ 7,000,000.0	$ 7,600,000
Goodwill, Impairment Loss			0	0	0
Amortizable intangible assets acquired		$ 5,800,000	$ 5,800,000	4,100,000	4,100,000
Useful life		6 years 1 month 6 days	6 years 1 month 6 days
Impairment of intangible assets (excluding goodwill)			$ 0	$ 0	$ 0
Learning Ovations, Inc.
Goodwill [Line Items]
Amortizable intangible assets acquired	$ 4,100,000
Useful life		7 years	7 years
Educational Program
Goodwill [Line Items]
Useful life		8 years	8 years
Education
Goodwill [Line Items]
Additions	7,600,000
Education | Learning Ovations, Inc.
Goodwill [Line Items]
Additions	$ 7,600,000