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CONDENSED STATEMENT OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, unless otherwise specified
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Loss [Member]
Balance at Dec. 31, 2013 $ 179,086 $ 23,647 $ 20,614 $ 192,088 $ (37,884) $ (19,379)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income and comprehensive income 24,319       24,319      
Dividends paid (10,475)       (10,475)      
Unpaid dividends accrued (346)       (346)      
Recognition of stock-based compensation expense 1,214    1,214         
Exercise of stock options and vesting of RSU's (2,294)    (2,294)         
Tax benefit realized from exercise of stock options and vesting of RSU's 1,344    1,344         
Common stock issued - compensation plans    51 (51)         
Balance at Mar. 29, 2014 $ 192,848 $ 23,698 $ 20,827 $ 205,586 $ (37,884) $ (19,379)