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Condensed Consolidated Statements Of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Condensed Consolidated Statements Of Comprehensive Income [Abstract]    
Net income $ 1,605 $ 566
Foreign currency translation adjustments 0 (23)
Recognition of accumulated foreign currency translation loss related to sale of foreign operations 35 0
Comprehensive income $ 1,640 $ 543