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Employee Benefit Plans (Details 2) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jan. 03, 2014
Dec. 28, 2012
Swiss Plan [Member]
    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Current year actuarial gain on plan assets, net of tax $ 37 $ 50
Current year actuarial (loss) gain on benefit obligation, net of tax 135 (101)
Actuarial gain recorded in current year, net of tax 46 42
Prior service cost 0 0
Change in other comprehensive loss 218 (9)
Japan Plan [Member]
    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Amortization of net transition obligation 12 16
Amortization of actuarial loss (47) (62)
Actuarial gain recorded in current year, net of tax (153) (80)
Prior service cost (1) (1)
Change in other comprehensive loss $ (189) $ (127)