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COMMON STOCK (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Dec. 28, 2019
Feb. 15, 2022
Common stock        
Granted (in shares) 560,516 348,016 318,496  
Share-based compensation expense $ 11.2 $ 4.0 $ 4.0  
Income tax benefit from share-based compensation 2.7 1.0 0.8  
Cash received from option exercises and share issuances under plans $ 2.1 $ 1.4 1.1  
Stock Repurchase Program [Abstract]        
Repurchase of shares (in shares) 0 756,397    
Subsequent Event        
Stock Repurchase Program [Abstract]        
Additional shares authorized for repurchase (in shares)       1,500,000
Cumulative total authorized shares available for repurchase (in shares)       2,600,000
Stock Purchase Plan        
Common stock        
Discount rate from fair market value on purchase date (in hundredths) 85.00%      
Stock Retainer Plan        
Common stock        
Multiplier of retainer fee (in hundredths) 110.00%      
Stock Retainer Plan expense $ 1.7 $ 1.8 1.8  
Stock Options        
Common stock        
Unrecognized compensation expense of stock options 0.0 0.0 $ 0.0  
Bonus Awards        
Common stock        
Amount of grants $ 60.0      
Granted (in shares) 751,978      
Share-based compensation expense $ 11.5 $ 4.0    
Bonus Awards | Awards with three year vesting        
Common stock        
Vesting period (in years) 3 years      
Bonus Awards | Awards with five year vesting        
Common stock        
Vesting period (in years) 5 years      
Bonus Awards | Awards with eight year vesting        
Common stock        
Vesting period (in years) 8 years      
Performance Shares        
Common stock        
Amount of grants $ 2.3      
Granted (in shares) 28,866      
Vesting period (in years) 3 years