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Segment and Geographic Information - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 30, 2022
USD ($)
segment
Nov. 30, 2021
Nov. 30, 2022
USD ($)
segment
Nov. 30, 2021
May 31, 2022
USD ($)
Segment Reporting Information [Line Items]          
Number of operating segments | segment 2   2    
Assets | $ $ 558,207   $ 558,207   $ 552,751
International | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk          
Segment Reporting Information [Line Items]          
Concentration risk percentage 16.20% 16.50% 15.80% 16.40%  
United States | Net Assets, Geographic Area | Geographic Concentration Risk          
Segment Reporting Information [Line Items]          
Concentration risk percentage     96.00%