Post-effective amendment to a registration statement that is not immediately effective upon filing

Stock-Based Compensation - Restricted Stock Activity (Details)

v3.22.0.1
Stock-Based Compensation - Restricted Stock Activity (Details) - Restricted Stock - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 4 Months Ended 12 Months Ended
Oct. 19, 2021
Dec. 31, 2021
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Shares, nonvested (in shares) 0.0 0.2 0.4 0.4
Shares, granted (in shares) 0.0 0.0 0.2  
Shares, vested (in shares) (0.2) (0.2) (0.1)  
Shares, repurchased (in shares) 0.0 0.0 (0.1)  
Weighted Average Grant- Date Fair Value [Abstract]        
Weighted average grant-date fair value, nonvested (dollars per share) $ 0 $ 0.27 $ 0.41 $ 0.39
Weighted average grant-date fair value, granted (dollars per share) 0 0 0.37  
Weighted average grant-date fair value, vested (dollars per share) 0.27 0.35 0.27  
Weighted average grant-date fair value, repurchased (dollars per share) $ 0 $ 0 $ 0.57  
Total Fair Value        
Total fair value, nonvested $ 0.0 $ 0.0 $ 0.1 $ 0.2
Total fair value, granted 0.0 0.0 0.1  
Total fair value, vested 0.0 (0.1) 0.0  
Total fair value, repurchased $ 0.0 $ 0.0 $ (0.1)