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COMMON STOCK (Details)
$ in Millions
12 Months Ended
Nov. 14, 2017
Dec. 29, 2018
USD ($)
shares
Dec. 30, 2017
USD ($)
item
shares
Dec. 31, 2016
USD ($)
shares
Oct. 14, 2010
shares
Nov. 14, 2001
shares
Common stock            
Stock split ratio 3          
Number of additional shares for each share held | item     2      
Share-based compensation expense   $ 3.6 $ 3.6 $ 2.2    
Income tax benefit from share-based compensation   0.7 1.0 1.1    
Cash received from option exercises and share issuances under plans   $ 1.0 $ 0.7 $ 0.5    
Stock Repurchase Program [Abstract]            
Shares authorized for repurchase (in shares) | shares         2,000,000 2,500,000
Repurchase of shares (in shares) | shares   860,669 445,740 13,613    
Cumulative total authorized shares available for repurchase (in shares) | shares     1,900,000      
Stock split ratio 3          
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 $ 1.7 $ 0.7    
Stock Options            
Common stock            
Unrecognized compensation expense of stock options   $ 0.0 $ 0.0 $ 0.0