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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Stock-Based Compensation [Abstract]    
Stock-based compensation expense $ 1.2 $ 0.7
Stock-Based Compensation [Abstract]    
Unrecognized compensation expense $ 11.7  
Weighted-average remaining service period 3 years  
Stock Options [Member]    
Type and fair value of stock-based compensation awards granted [Abstract]    
Options granted (in shares) 0.2  
Fair value of options granted (in dollars per share) $ 9.39  
Assumptions for Stock Awards Granted [Abstract]    
Expected life of awards in years 6 years 1 month 6 days  
Risk-free interest rate 1.00%  
Expected volatility of the Company's stock 56.40%  
Expected dividend yield on the Company's stock 0.00%  
Stock-Based Compensation [Abstract]    
Unrecognized compensation expense $ 3.1  
Weighted-average remaining service period 3 years 3 months 18 days  
Restricted Stock Awards [Member]    
Type and fair value of stock-based compensation awards granted [Abstract]    
Stock granted (in shares) 0.2  
Fair value of stock granted (in dollars per share) $ 17.49  
Stock-Based Compensation [Abstract]    
Unrecognized compensation expense $ 8.2  
Weighted-average remaining service period 3 years  
Performance Stock Awards [Member]    
Type and fair value of stock-based compensation awards granted [Abstract]    
Period of time to average cash flow return on invested capital 3 years  
Period of time to average EBITDA growth 3 years  
Performance period 3 years  
Stock-Based Compensation [Abstract]    
Unrecognized compensation expense $ 0.4  
Weighted-average remaining service period 9 months 18 days