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Stock-based Compensation - Restricted and Deferred Stock Units (Details) - USD ($)
3 Months Ended
Mar. 24, 2021
Mar. 31, 2021
Mar. 31, 2020
Additional disclosures      
Compensation expense recognized   $ 1,400,000 $ 1,100,000
Restricted stock unit      
Shares      
Non-vested at beginning of year (in shares)   1,017,038  
Granted (in shares)   212,426  
Dividend equivalents earned (in shares)   11,310  
Forfeited (in shares)   (13,422)  
Non-vested at end of year (in shares)   1,227,352  
Outstanding at end of year (in shares)   1,227,352  
Weighted-Average Grant Date Fair Value      
Non-vested at beginning of year (in dollars per share)   $ 23.87  
Granted (in dollars per share)   24.54  
Dividend equivalents earned (in dollars per share)   20.67  
Forfeited (in dollars per share)   26.98  
Non-vested at end of year (in dollars per share)   23.93  
Outstanding at end of year (in dollars per share)   $ 23.93  
Deferred stock units      
Shares      
Non-vested at beginning of year (in shares)   34,263  
Granted (in shares)   33,288  
Dividend equivalents earned (in shares)   1,172  
Vested (in shares)   (791)  
Non-vested at end of year (in shares)   67,932  
Outstanding at end of year (in shares)   71,835  
Weighted-Average Grant Date Fair Value      
Non-vested at beginning of year (in dollars per share)   $ 17.18  
Granted (in dollars per share)   24.54  
Dividend equivalents earned (in dollars per share)   20.67  
Vested (in dollars per share)   20.67  
Non-vested at end of year (in dollars per share)   20.81  
Outstanding at end of year (in dollars per share)   $ 24.30  
Performance Stock units (PSUs)      
Shares      
Granted (in shares)   28,344  
Additional disclosures      
Compensation expense recognized   $ 700,000  
Performance Stock units (PSUs) | Minimum      
Additional disclosures      
Vesting percentage (as a percent)   0.00%  
Performance Stock units (PSUs) | Maximum      
Shares      
Granted (in shares)   39,682  
Additional disclosures      
Vesting percentage (as a percent)   140.00%  
Market Based Performance Stock Units      
Shares      
Granted (in shares)   70,815  
Additional disclosures      
Compensation expense recognized   $ 1,700,000  
Market Based Performance Stock Units | Minimum      
Additional disclosures      
Vesting percentage (as a percent)   0.00%  
Market Based Performance Stock Units | Maximum      
Shares      
Granted (in shares)   113,304  
Additional disclosures      
Vesting percentage (as a percent)   160.00%  
RSUs and DSUs      
Additional disclosures      
Amount of compensation cost to be recognized   $ 17,500,000  
Period over which cost will be recognized   3 years 2 months 12 days  
Stock option awards      
Additional disclosures      
Compensation expense recognized   $ 0 $ 0
2020 Equity Incentive Plan      
Additional disclosures      
Remaining shares available for issuance   1,094,149  
2020 Equity Incentive Plan | Restricted stock unit | Management, Vice Chairman of Board      
Shares      
Granted (in shares) 212,426    
Additional disclosures      
Compensation expense recognized $ 5,200,000    
Vesting percentage (as a percent) 100.00%    
2020 Equity Incentive Plan | Restricted stock unit | Management, Vice Chairman of Board | Minimum      
Additional disclosures      
Period over which cost will be recognized 1 year    
2020 Equity Incentive Plan | Restricted stock unit | Management, Vice Chairman of Board | Maximum      
Additional disclosures      
Period over which cost will be recognized 5 years    
2020 Equity Incentive Plan | Deferred stock units | Directors and Advisory Directors      
Shares      
Granted (in shares) 33,288    
Additional disclosures      
Compensation expense recognized $ 800,000    
Period over which cost will be recognized 1 year    
Vesting percentage (as a percent) 100.00%