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Description of Business and Basis of Presentation (Details) - segment
3 Months Ended 6 Months Ended 9 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
Nov. 30, 2021
Concentration Risk [Line Items]          
Number of reportable segments     2   2
Revenue | Customer concentration | ABL          
Concentration Risk [Line Items]          
Concentration (percent) 95.00% 95.00% 95.00% 95.00%  
Revenue | Customer concentration | ISG          
Concentration Risk [Line Items]          
Concentration (percent) 5.00% 5.00% 5.00% 5.00%