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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 Income (Loss) [Member]
Balance at Dec. 31, 2011 $ 137,391 $ 23,383 $ 10,454 $ 168,981 $ (37,884) $ (27,543)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 50,842     50,842    
Dividends paid (10,272)       17,495      
Recognition of stock-based compensation expense 2,104    3,317         
Employee withholding tax related to share-based compensation (1,045)    1,045         
Tax benefit realized from exercise of stock options and vesting of RSU?s 1,037    1,037         
Common stock issued ? compensation plans    77 (77)         
Balance at Sep. 29, 2012 $ 174,047 $ 23,460 $ 13,686 $ 202,328 $ (37,884) $ (27,543)