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EMPLOYEE BENEFIT PLANS - Stock Options (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2017
Mar. 31, 2017
Sep. 30, 2017
Sep. 30, 2016
Weighted Average Remaining Life        
Weighted average estimated fair value of awards granted (in dollars per share)   $ 8.52    
Assumptions used to calculate fair value of awards granted to top eleven employees        
Expected volatility   49.00%    
Expected dividend yield   0.00%    
Expected life   6 years 2 months 12 days    
Expected forfeiture rate   0.00%    
Risk-free interest rate   2.15%    
Stock Options        
Options        
Outstanding at the beginning of the period (in shares)   1,435,921 1,435,921  
Granted (in shares)     1,396,307  
Exercised (in shares)     (16,525) (110,715)
Forfeited/Expired (in shares)     (187,458)  
Outstanding at the end of the period (in shares)     2,628,245  
Vested and expected to vest at the end of the period (in shares)     2,628,245  
Exercisable at the end of the period (in shares)     1,231,938  
Weighted Average Exercise Price Per Share        
Outstanding at the beginning of the period (in dollars per share)   $ 22.87 $ 22.87  
Granted (in dollars per share)     18.24  
Exercised (in dollars per share)     4.56  
Forfeited/Expired (in dollars per share)     26.07  
Outstanding at the end of the period (in dollars per share)     20.30  
Vested and expected to vest at the end of the period (in dollars per share)     20.30  
Exercisable at the end of the period (in dollars per share)     $ 22.63  
Aggregate Intrinsic Value        
Outstanding at the end of the period     $ 2  
Vested and expected to vest at the end of the period     2  
Exercisable at the end of the period     $ 2  
Weighted Average Remaining Life        
Outstanding at the end of the period     5 years 1 month 7 days  
Vested and expected to vest at the end of the period     5 years 1 month 7 days  
Exercisable at the end of the period     1 year 7 months 29 days  
Aggregate Intrinsic value of awards exercised (less than $1 million - 2017)     $ 1 $ 1
Unrecognized compensation costs     $ 9  
Period for recognition of unrecognized compensation costs     2 years 22 days  
Granted (in shares)       0
Vesting period     3 years  
Stock Options | 2008 Stock Incentive Plan | Senior Officers        
Options        
Granted (in shares)   987,781    
Weighted Average Remaining Life        
Target closing stock price (in dollars per share)   $ 23.74    
Stock price premium   25.00%    
Share price (in dollars per share)   $ 18.99    
Number of consecutive trading days (at least)   20 days    
Vesting date of grant anniversary subject to specific conditions   3 years    
Performance Shares | 2008 Stock Incentive Plan | Executive Chairman        
Options        
Granted (in shares) 408,526      
Weighted Average Remaining Life        
Number of consecutive trading days (at least) 30 days      
Vesting date of grant anniversary subject to specific conditions 4 years      
Weighted average estimated fair value of awards granted (in dollars per share) $ 5.63      
Weighted average estimated fair value of awards granted subject to conditions (in dollars per share) $ 20.53