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Share-Based Compensation - Additional Information (Details)
$ / shares in Units, $ in Millions
9 Months Ended
May 30, 2023
shares
Feb. 24, 2023
shares
Sep. 30, 2023
USD ($)
participant
$ / shares
shares
Sep. 30, 2022
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost | $     $ 18.9  
Period of expense of unrecognized compensation cost (in years)     3 years  
Weighted average grant-date fair value of stock options granted (in dollars per share) | $ / shares     $ 6.53 $ 4.06
Aggregate intrinsic value of stock options exercised | $       $ 0.1
SERP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized for issuance (in shares)     1,000,000  
Remaining shares authorized for issuance (in shares)     300,000  
RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares)     534,000 400,000
Weighted average grant date fair value of stock granted (in dollars per share) | $ / shares     $ 13.73 $ 18.06
PSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost | $     $ 1.7  
Period of expense of unrecognized compensation cost (in years)     1 year 8 months 12 days  
Granted (in shares)   80,000 80,000  
Weighted average grant date fair value of stock granted (in dollars per share) | $ / shares     $ 16.20  
Vesting period (in years)   3 years    
DSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost | $     $ 0.2  
Period of expense of unrecognized compensation cost (in years)     8 months 12 days  
Payout period (in years)     5 years  
DSUs | Non-employee member of the Board of Directors        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of participants electing to receive shares | participant     2  
ESPP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares available for future grant (in shares)     1,900,000  
Average weekly hours of work     20 hours  
Requisite service period for plan participation eligibility     2 years  
Stock options authorized to issue to employees (in shares)     4,100,000  
Amended 2020 Omnibus Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Increase in shares authorized under plan (in shares) 2,500,000      
Common stock reserved for future issuance (in shares)     7,000,000  
Shares available for future grant (in shares)     3,200,000  
Maximum term of grants     10 years