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STOCK INCENTIVE PLANS AND STOCK-BASED COMPENSATION - Stock-Based Benefit Plans (Details)
1 Months Ended 12 Months Ended
Mar. 31, 2015
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Jan. 02, 2016
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Restricted stock units    
Stock-based compensation    
Awards vesting percentage   33.33%
Employee Stock Purchase Plan    
Stock-based compensation    
Purchase price offered to employees as a percentage of fair market value of stock   95.00%
2011 Plan    
Stock-based compensation    
Number of additional shares authorized 4,500,000  
Extended term 4 years  
Number of shares authorized for grant   10,500,000
2011 Plan | Directors    
Stock-based compensation    
Vesting period of share based compensation award   1 year
2011 Plan | Newly Appointed Directors    
Stock-based compensation    
Vesting period of share based compensation award   4 years
2011 Plan | Officers and employees    
Stock-based compensation    
Vesting period of share based compensation award   3 years
2011 Plan | Stock options    
Stock-based compensation    
Equivalent number of awards to be counted against the share limit   1
Term of awards   7 years
2011 Plan | Stock appreciation rights    
Stock-based compensation    
Equivalent number of awards to be counted against the share limit   1
Term of awards   7 years
2011 Plan | Restricted stock    
Stock-based compensation    
Equivalent number of awards to be counted against the share limit   1.7
2011 Plan | Restricted stock units    
Stock-based compensation    
Equivalent number of awards to be counted against the share limit   1.7