Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details 4)

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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details 4)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Time-based stock options | Maximum      
Share Based Compensation      
Vesting period 48 months    
Performance based stock options operating income margins      
Share Based Compensation      
Operating income margin, one (as a percent) 6.00%    
Operating income margin, two (as a percent) 8.00%    
Operating income margin, three (as a percent) 10.00%    
RSUs | 2012 Stock Incentive Plan      
Share Based Compensation      
Vesting period 1 year 1 year 1 year
RSUs | 2012 Stock Incentive Plan | Board of Directors      
Share Based Compensation      
Vesting period based on achieving annual net sales targets 1 year    
Restriction period 2 years    
RSUs | 2012 Stock Incentive Plan | Minimum      
Share Based Compensation      
Vesting period 12 months    
RSUs | 2012 Stock Incentive Plan | Maximum      
Share Based Compensation      
Vesting period 48 months