XML 90 R76.htm IDEA: XBRL DOCUMENT v3.23.2
Goodwill and Other Intangibles - Narrative (Details) - USD ($)
 12 Months Ended
Sep. 01, 2022
May 31, 2023
May 31, 2022
May 31, 2021
Goodwill and Other Intangibles (Details) [Line Items]        
Additions   $ 7,600,000 $ 0  
Goodwill, impairment loss   0 0  
Intangible assets acquired   $ 4,100,000 0  
Useful life of intangible assets   5 years 1 month 6 days    
Additions to intangible assets     0  
Amortization of intangible assets   $ 2,200,000 2,000,000.0 $ 2,200,000
Impairment of intangible assets (excluding goodwill)   0 $ 0  
Learning Ovations, Inc.        
Goodwill and Other Intangibles (Details) [Line Items]        
Intangible assets acquired $ 4,100,000 $ 4,100,000    
Useful life of intangible assets   7 years