Quarterly report pursuant to Section 13 or 15(d)

STOCK OPTIONS AND EMPLOYEE STOCK GRANTS (Details)

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STOCK OPTIONS AND EMPLOYEE STOCK GRANTS (Details) (USD $)
 3 Months Ended 0 Months Ended 3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Mar. 30, 2013
Stock Options [Member]
Feb. 07, 2013
2011 Plan [Member]
Stock Options [Member]
Mar. 30, 2013
2011 Plan [Member]
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options excecised (shares)     9,269    
Options exercised, aggregate exercise price     $ 94,077    
Cash received from exercised stock options 69,181 0 69,181    
Shares repurchased (shares)     1,752    
Shares repurchased, value     $ 24,896    
Options granted (shares)       40,047  
Options granted, weighted average exercise price (dollars per share)       $ 13.70  
Options granted, weighted average fair value (dollars per share)       $ 6.30  
Risk free interest rate (percent)       2.00%  
Expected volatility rate (percent)       53.00%  
Expected life (years)       7 years  
Expected dividend yield (percent)       1.80%  
Annual vesting rate (percent)         20.00%
Period after option grant before options can be exercised (years)         1 year