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Share-Based Compensation - (Narrative) (Details)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 29, 2021
USD ($)
installment
$ / shares
shares
Dec. 30, 2020
USD ($)
$ / shares
shares
Dec. 25, 2019
USD ($)
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant (in shares) 700    
Income tax benefits recognized related to share-based compensation | $ $ 3.4 $ 2.0 $ 1.7
Employee share awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in dollars per share) | $ / shares $ 21.83 $ 10.47 $ 19.02
Cash payments | $ $ 0.2 $ 0.2 $ 0.4
Intrinsic value of units converted | $ 4.3 $ 12.0 $ 16.9
Unrecognized compensation cost related to unvested awards outstanding | $ $ 12.7    
Unrecognized compensation cost, expected weighted average period 1 year 9 months 18 days    
Stock units outstanding (in shares) 2,076 1,563  
2021 Employee Share Awards | Employee share awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity awards granted (in shares) 500    
Granted (in dollars per share) | $ / shares $ 24.74    
Vesting period 3 years    
2021 Employee Share Awards | Employee share awards | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Peer group companies, target award percentage 0.00%    
2021 Employee Share Awards | Employee share awards | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Peer group companies, target award percentage 200.00%    
2021 Employee Share Awards | Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity awards granted (in shares) 200    
Granted (in dollars per share) | $ / shares $ 15.91    
Vesting period 3 years    
Board Members | Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity awards granted (in shares) 100    
Granted (in dollars per share) | $ / shares $ 17.32    
Vesting period 1 year    
Unrecognized compensation cost related to unvested awards outstanding | $ $ 0.4    
Unrecognized compensation cost, expected weighted average period 4 months 24 days    
Number of equal annual installments | installment 3    
Stock units converted into common stock (in shares) 100    
Stock units outstanding (in shares) 800 800  
2021 Omnibus Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant (in shares) 4,300