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STOCK-BASED COMPENSATION - Restricted and Unrestricted Stock and Performance Share Units (Details) (USD $)
In Millions, except Share data, unless otherwise specified
9 Months Ended
Sep. 26, 2014
Sep. 26, 2014
Restricted stock
Sep. 26, 2014
Performance shares
Sep. 26, 2014
Minimum
Restricted stock
Sep. 26, 2014
Maximum [Member]
Restricted stock
May 31, 2013
Incentive Plan
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]            
Non-vested at beginning of period (in shares) 1,544,000          
Granted (in shares) 515,000          
Vested (in shares) (414,000)          
Forfeited (in shares) (39,000)          
Non-vested at the end of the period (in shares) 1,606,000          
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]            
Non-vested at beginning of period (in dollars per share) $ 16.66          
Granted (in dollars per share) $ 26.11          
Vested (in dollars per share) $ 17.78          
Forfeited (in dollars per share) $ 18.58          
Non-vested at end of the period (in dollars per share) $ 19.35          
Shares authorized for issuance (in shares)           7,950,000
Vesting period     3 years 3 years 4 years  
Number of common stock shares represented by each performance share 1          
Total unrecognized stock-based compensation expense   $ 12.7 $ 8.0      
Unrecognized stock-based compensation expense for the period identified   $ 11.1 $ 4.5      
Unrecognized stock-based compensation expense, period for recognition   1 year 9 months 21 days 1 year 9 months 3 days