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Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock [Member]
Capital in Excess of Par Value [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Items [Member]
Noncontrolling Interest [Member]
Beginning balance (in shares) at Jan. 03, 2015   14,624,159     3,760,019    
Beginning balance at Jan. 03, 2015 $ 265,459 $ 146 $ 98,769 $ 270,249 $ (87,727) $ (17,146) $ 1,168
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net Income 6,990     6,897     93
Dividends declared (1,864)     (1,864)      
Activity under stock plans (in shares)         (102,346)    
Activity under stock plans (568)   (2,956)   $ 2,388    
Tax benefits related to employees' and directors' stock plans 687   687        
Other comprehensive items (12,437)         (12,305) (132)
Ending balance (in shares) at Apr. 04, 2015   14,624,159     3,657,673    
Ending balance at Apr. 04, 2015 258,267 $ 146 96,500 275,282 $ (85,339) (29,451) 1,129
Beginning balance (in shares) at Jan. 02, 2016   14,624,159     3,850,779    
Beginning balance at Jan. 02, 2016 267,945 $ 146 100,536 297,258 $ (94,359) (36,972) 1,336
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net Income 6,991     6,876     115
Dividends declared (2,063)     (2,063)      
Activity under stock plans (in shares)         (80,942)    
Activity under stock plans (656)   (2,639)   $ 1,983    
Other comprehensive items 5,386         5,327 59
Ending balance (in shares) at Apr. 02, 2016   14,624,159     3,769,837    
Ending balance at Apr. 02, 2016 $ 277,603 $ 146 $ 97,897 $ 302,071 $ (92,376) $ (31,645) $ 1,510