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CAPITAL STOCK AND SHARE-BASED COMPENSATION (Restricted Stock) (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Jan. 28, 2015
$ / shares
shares
Jan. 11, 2015
shares
Jan. 12, 2014
shares
Jan. 08, 2014
$ / shares
shares
Jan. 13, 2013
shares
Jan. 09, 2013
$ / shares
shares
Dec. 31, 2015
USD ($)
dividend
$ / shares
shares
Jan. 01, 2015
USD ($)
shares
Dec. 26, 2013
USD ($)
shares
Jan. 08, 2015
$ / shares
Share-Based Compensation                    
Recognized share-based compensation             $ 8.3 $ 9.4 $ 9.3  
Restricted Stock                    
Share-Based Compensation                    
Granted during the year (in shares) | shares 228,116     227,447   297,866 228,116 227,447 297,866  
Shares withheld to satisfy employee tax withholding requirements | shares             204,540 194,675 290,119  
Amount withheld to satisfy employee tax withholding requirements             $ 4.3 $ 3.8 $ 4.4  
Performance shares converted to shares of restricted common stock | shares   306,696 330,750   273,719          
Recognized share-based compensation             4.0 $ 4.0 $ 4.6  
Unrecognized share-based compensation             $ 4.3      
Number of dividends paid | dividend             4      
Cash dividends (in dollars per share) | $ / shares             $ 0.22      
Dividends paid on restricted stock             $ 0.7      
Restricted Stock | Minimum                    
Share-Based Compensation                    
Vesting period (in years)             1 year      
Restricted Stock | Maximum                    
Share-Based Compensation                    
Vesting period (in years)             4 years      
Forfeiture rate (as a percent)             4.00%      
Restricted Stock | Class A common stock                    
Share-Based Compensation                    
Closing price of common stock (in dollars per share) | $ / shares       $ 19.08   $ 14.19       $ 20.99
Restricted Stock | Class A common stock | Maximum                    
Share-Based Compensation                    
Closing price of common stock (in dollars per share) | $ / shares $ 20.99     $ 19.08   $ 14.19        
Restricted Stock | Class A common stock | Officers and key employees                    
Share-Based Compensation                    
Vesting period (in years)             4 years      
Vesting rate (as a percent)             25.00%      
Restricted Stock | Class A common stock | Directors                    
Share-Based Compensation                    
Vesting period (in years)             1 year      
Vesting rate (as a percent)             100.00%