Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Loss (Details 1)

v3.7.0.1
Accumulated Other Comprehensive Loss (Details 1) - USD ($)
 3 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]    
Other than temporary impairment $ (220,000) $ 0
Income before income taxes 15,139,000 12,196,000
Tax benefit (4,928,000) (3,988,000)
Net income 10,211,000 $ 8,208,000
Total reclassifications for the period (168,000)  
Unrealized Gains and Losses on Available-for-Sale Securities [Member]    
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]    
Total reclassifications for the period (168,000)  
Reclassifications out of Accumulated Other Comprehensive Loss [Member] | Unrealized Gains and Losses on Available-for-Sale Securities [Member]    
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]    
Realized gain/(loss) on sale of securities (47,000)  
Other than temporary impairment (220,000)  
Income before income taxes (267,000)  
Tax benefit 99,000  
Net income $ (168,000)