Annual report pursuant to Section 13 and 15(d)

Description of Business, Basis of Presentation, and Significant Accounting Policies (Estimated Useful Lives of Depreciable Assets) (Details)

v3.22.2
Description of Business, Basis of Presentation, and Significant Accounting Policies (Estimated Useful Lives of Depreciable Assets) (Details)
 12 Months Ended
May 31, 2022
Buildings and Improvements [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 10 years
Buildings and Improvements [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 35 years
Data Processing Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 3 years
Data Processing Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 4 years
Furniture, Fixtures, and Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 2 years
Furniture, Fixtures, and Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 7 years
Leasehold Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 10 years
Software [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 3 years
Software [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 12 years