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Other Comprehensive Income (Details 1) - USD ($)
$ in Thousands
Jul. 04, 2015
Jan. 03, 2015
Accumulated other comprehensive income    
Foreign currency translation gain $ 2,289 $ 15,707
Changes in defined benefit plan liabilities (3,084) (3,401)
Unrealized holding gains on available-for-sale securities 54 41
Total accumulated other comprehensive income (loss) $ (741) $ 12,347