Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

v3.23.2
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2023
May 31, 2022
Income Tax Contingency [Line Items]    
NOL carry forwards $ 5.1 $ 5.6
Reserve for uncertain tax positions 69.4 48.2
Impact uncertain tax benefits, if recognized, on effective income tax rate 69.4 $ 48.2
Federal [Member]    
Income Tax Contingency [Line Items]    
NOL carry forwards $ 0.3  
Federal [Member] | Minimum [Member]    
Income Tax Contingency [Line Items]    
NOL carry forwards, Expiration date May 31, 2028  
Federal [Member] | Maximum [Member]    
Income Tax Contingency [Line Items]    
NOL carry forwards, Expiration date May 31, 2030  
State [Member]    
Income Tax Contingency [Line Items]    
NOL carry forwards $ 4.4  
State [Member] | Minimum [Member]    
Income Tax Contingency [Line Items]    
NOL carry forwards, Expiration date May 31, 2024  
State [Member] | Maximum [Member]    
Income Tax Contingency [Line Items]    
NOL carry forwards, Expiration date May 31, 2042  
Foreign [Member]    
Income Tax Contingency [Line Items]    
NOL carry forwards $ 0.4