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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, 2012 $ 95,032 $ 23,563 $ 15,531 $ 123,442 $ (37,884) $ (29,620)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income and comprehensive income 84,697       84,697      
Dividends paid (29,858)       (29,858)      
Accrued dividends (1,127)       (1,127)      
Recognition of stock-based compensation expense 3,973    3,973         
Exercise of stock options and vesting of RSU's (2,414)    (2,414)         
Tax benefit realized from exercise of stock options and vesting of RSU's 2,290    2,290         
Common stock issued - compensation plans    84 (84)         
Balance at Sep. 28, 2013 $ 152,593 $ 23,647 $ 19,296 $ 177,154 $ (37,884) $ (29,620)