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Commitments and Contingencies (Details) - USD ($)
$ in Millions
2 Months Ended 12 Months Ended
Jul. 23, 2021
May 31, 2020
May 31, 2021
Operating Leased Assets [Line Items]      
Open standby letters of credit     $ 4.3
Amount awarded to other party   $ 2.4  
Patents      
Operating Leased Assets [Line Items]      
Amount awarded to other party   $ 1.5  
Subsequent Event      
Operating Leased Assets [Line Items]      
Amount awarded to other party $ 20.0