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STOCK-BASED COMPENSATION (Stock-Based Compensation by Award Type) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 13,049 $ 9,644 $ 7,303
Stock options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation 4,093 3,546 2,961
Time-based awards [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation 5,376 4,624 3,099
Performance-based awards [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation 2,395 304 335
Stock awards [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 1,185 $ 1,170 $ 908