Annual report pursuant to Section 13 and 15(d)

CAPITAL TRANSACTIONS (Details 2)

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CAPITAL TRANSACTIONS (Details 2) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 0 Months Ended 12 Months Ended
Aug. 29, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based compensation, additional disclosures        
Special one-time cash dividend paid per common share (in dollars per share) $ 1.50      
Stock options
        
Number of shares        
Options outstanding at the beginning of the period (in shares)   1,784 1,374 859
Granted (in shares)   832 686 630
Forfeited or canceled (in shares)   (184) (35) (79)
Exercised (in shares)   (506) (241) (36)
Options outstanding at the end of the period (in shares)   1,926 1,784 1,374
Weighted Average Exercise Price Per Share        
Options outstanding at the beginning of the period (in dollars per share)   $ 11.81 $ 9.88 $ 9.20
Granted (in dollars per share)   $ 15.85 $ 15.11 $ 10.84
Forfeited or canceled (in dollars per share)   $ 13.65 $ 13.60 $ 9.64
Exercised (in dollars per share)   $ 8.56 $ 9.95 $ 11.08
Options outstanding at the end of the period (in dollars per share)   $ 12.54 $ 11.81 $ 9.88
Share-based compensation, additional disclosures        
Special one-time cash dividend paid per common share (in dollars per share) $ 1.50      
Decrease in exercise price of all outstanding stock options (in dollars per share)   $ 1.50    
Aggregate intrinsic values of options exercised   $ 4,576 $ 1,427 $ 211
Weighted-average assumptions used to calculate fair value of options granted        
Weighted-average grant date fair value (in dollars per share)   $ 6.55 $ 7.21 $ 5.13
Dividend yield (as a percent)       0.00%
Share-based compensation, related information        
Share-based compensation expense   0    
Related tax benefits   653 378  
Stock options | Maximum
        
Weighted-average assumptions used to calculate fair value of options granted        
Expected life   6 years 6 years 4 years
Risk-free interest rate (as a percent)   1.50% 0.90% 1.20%
Expected volatility (as a percent)   58.20% 66.00% 67.70%
Dividend yield (as a percent)   2.70% 1.30%  
Stock options | Minimum
        
Weighted-average assumptions used to calculate fair value of options granted        
Expected life   5 years 4 years 3 years
Risk-free interest rate (as a percent)   0.60% 0.30% 0.70%
Expected volatility (as a percent)   55.90% 58.50% 49.00%
Dividend yield (as a percent)   2.10% 0.00%  
Time-based stock options
        
Share-based compensation, related information        
Share-based compensation expense   3,166 2,101 557
Related tax benefits   1,251 850 222
Unrecognized share-based compensation expense   3,294 2,715 607
Weighted-average period over which the remaining compensation expense is expected to be recognized   1 year 10 months 24 days    
Time-based stock options | Maximum
        
Share-based compensation, additional disclosures        
Vesting period   48 months    
Performance based stock options operating income margins
        
Share-based compensation, additional disclosures        
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%    
Period of time during which operating income margins must be achieved in order to vest in performance based stock options   12 months    
Consecutive period of time used to assess operating income margins which determine vesting   15 months    
Share-based compensation, related information        
Share-based compensation expense   0 653 2,921
Related tax benefits   0 255 1,168
Unrecognized share-based compensation expense     $ 0  
Performance based stock options sales and operating income margins
        
Share-based compensation, additional disclosures        
Vesting period   2 years    
Operating income margin, two (as a percent)   8.00%    
Performance based stock options sales
        
Share-based compensation, additional disclosures        
Vesting period based on achieving annual net sales targets   1 year    
2012 Incentive Plan
        
Share Based Compensation        
Number of shares authorized under the plan   1,500    
2012 Incentive Plan | Stock options
        
Number of shares        
Granted (in shares)   832 469  
Weighted Average Exercise Price Per Share        
Granted (in dollars per share)   $ 15.85 $ 14.86  
Share-based compensation, additional disclosures        
Expiration period   10 years 10 years  
Weighted-average assumptions used to calculate fair value of options granted        
Weighted-average grant date fair value (in dollars per share)   $ 6.55 $ 7.00  
2009 Incentive Plan
        
Share Based Compensation        
Number of shares authorized under the plan   400    
2009 Incentive Plan | Stock options
        
Number of shares        
Granted (in shares)       630
Weighted Average Exercise Price Per Share        
Granted (in dollars per share)       $ 10.84
Share-based compensation, additional disclosures        
Expiration period       10 years
Weighted-average assumptions used to calculate fair value of options granted        
Weighted-average grant date fair value (in dollars per share)       $ 5.13
2009 Incentive Plan | Time-based stock options
        
Number of shares        
Granted (in shares)     217  
Weighted Average Exercise Price Per Share        
Granted (in dollars per share)     $ 15.65  
Share-based compensation, additional disclosures        
Expiration period     10 years  
Weighted-average assumptions used to calculate fair value of options granted        
Weighted-average grant date fair value (in dollars per share)     $ 7.66