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Employee Benefit Plans (Tables) | 12 Months Ended
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Jan. 01, 2016
Swiss Plan [Member] |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | The following table shows the changes in the benefit obligation and plan assets and the Swiss Plan’s funded status as of January 1, 2016 and January 2, 2015 (in thousands):
|  | 2015 |  | 2014 |
Change in Projected Benefit Obligation: |  |  |  |  |  |  |
Projected benefit obligation, beginning of period |  | $ | 4,827 |  | $ | 5,183 |
Service cost |  |  | 316 |  |  | 297 |
Interest cost |  |  | 74 |  |  | 114 |
Participant contributions |  |  | 209 |  |  | 241 |
Benefits deposited (paid) |  |  | 340 |  |  | (116) |
Actuarial loss on obligation |  |  | 656 |  |  | 737 |
Prior service cost |  |  | (73) |  |  | — |
Curtailments |  |  | — |  |  | (1,629) |
Projected benefit obligation, end of period |  | $ | 6,349 |  | $ | 4,827 |
Change in Plan Assets: |  |  |  |  |  |  |
Plan assets at fair value, beginning of period |  | $ | 2,705 |  | $ | 3,517 |
Actual return on plan assets (including foreign currency impact) |  |  | 35 |  |  | (230) |
Employer contributions |  |  | 209 |  |  | 241 |
Participant contributions |  |  | 209 |  |  | 241 |
Benefits deposited (paid) |  |  | 340 |  |  | (116) |
Curtailment distributions |  |  | — |  |  | (948) |
Plan assets at fair value, end of period |  | $ | 3,498 |  | $ | 2,705 |
Funded status (pension liability), end of year |  | $ | (2,851) |  | $ | (2,122) |
Amount Recognized in Accumulated Other Comprehensive Loss, net of tax: |  |  |  |  |  |  |
Actuarial loss on plan assets |  | $ | (822) |  | $ | (773) |
Actuarial loss on benefit obligation |  |  | (1,668) |  |  | (902) |
Actuarial gain recognized in current year |  |  | 362 |  |  | 266 |
Effect of curtailments |  |  | 606 |  |  | 528 |
Accumulated other comprehensive loss |  | $ | (1,522) |  | $ | (881) |
Accumulated benefit obligation at end of year |  | $ | (5,932) |  | $ | (4,488) |
Schedule of Net Benefit Costs [Table Text Block] | Net periodic pension cost associated with the Swiss Plan during the years ended January 1, 2016, January 2, 2015 and January 3, 2014 include the following components (in thousands):
|  | 2015 |  | 2014 |  | 2013 |
Service cost |  | $ | 316 |  | $ | 297 |  | $ | 320 |
Interest cost |  |  | 74 |  |  | 114 |  |  | 101 |
Expected return on plan assets |  |  | (93) |  |  | (97) |  |  | (96) |
Actuarial loss recognized in current year |  |  | 64 |  |  | 24 |  |  | 55 |
Net periodic pension cost |  | $ | 361 |  | $ | 338 |  | $ | 380 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] | Changes in other comprehensive income (loss), net of tax, associated with the Swiss Plan in the year ended January 1, 2016, January 2, 2015 and January 3, 2014 include the following components (in thousands):
|  | 2015 |  | 2014 |  | 2013 |
Current year actuarial gain (loss) on plan assets, net of tax |  | $ | (61) |  | $ | (375) |  | $ | 37 |
Current year actuarial gain (loss) on benefit obligation, net of tax |  |  | (635) |  |  | (846) |  |  | 135 |
Actuarial gain recorded in current year, net of tax |  |  | 57 |  |  | 28 |  |  | 46 |
Prior service cost |  |  | — |  |  | — |  |  | — |
Effect of curtailments |  |  | — |  |  | 782 |  |  | — |
Change in other comprehensive income (loss) |  | $ | (517) |  | $ | (411) |  | $ | 218 |
Schedule of Assumptions Used [Table Text Block] | Net periodic pension cost and projected and accumulated pension obligation for the Company’s Swiss Plan were calculated on January 1, 2016 and January 2, 2015 using the following assumptions:
|  | 2015 |  |  | 2014 |
Discount rate |  |  | 1.0 | % |  |  | 1.4 | %
Salary increases |  |  | 2.0 | % |  |  | 2.0 | %
Expected return on plan assets |  |  | 2.5 | % |  |  | 3.0 | %
Expected average remaining working lives in years |  |  | 10.4 |  |  |  | 10.1 |
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] | The table below sets forth the fair value of Plan assets at January 1, 2016 and January 2, 2015, and the related activity in fiscal years 2014 and 2015, in accordance with ASC 715-20-50-1(d) (in thousands):
|  | Insurance Contracts |
|  | (Level 3) |
Beginning balance at January 3, 2014 |  | $ | 3,517 |
Actual return on plan assets |  |  | (230) |
Purchases, sales and settlement |  |  | (582) |
Ending balance at January 2, 2015 |  |  | 2,705 |
Actual return on plan assets |  |  | 35 |
Purchases, sales and settlement |  |  | 758 |
Ending balance at January 1, 2016 |  | $ | 3,498 |
Schedule Of Defined Benefit Plan Estimated Future Benefit Payments [Table Text Block] | The estimated future benefit payments for the Swiss Plan are as follows (in thousands):
Fiscal Year |  | Amount |
2016 |  | $ | 58 |
2017 |  |  | 65 |
2018 |  |  | 72 |
2019 |  |  | 72 |
2020 |  |  | 78 |
Thereafter |  |  | 498 |
Total |  | $ | 843 |
Japan Plan [Member] |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | The funded status of the benefit plan at January 1, 2016 and January 2, 2015 is as follows (in thousands):
|  | 2015 |  | 2014 |
Change in Projected Benefit Obligation: |  |  |  |  |  |  |
Projected benefit obligation, beginning of period |  | $ | 957 |  | $ | 1,049 |
Service cost |  |  | 121 |  |  | 157 |
Interest cost |  |  | 6 |  |  | 9 |
Actuarial (gain) loss |  |  | 32 |  |  | (55) |
Benefits paid |  |  | (83) |  |  | (66) |
Foreign exchange adjustment |  |  | 2 |  |  | (137) |
Projected benefit obligation, end of period |  | $ | 1,035 |  | $ | 957 |
Changes in Plan Assets: |  |  |  |  |  |  |
Plan assets at fair value, beginning of period |  | $ | — |  | $ | — |
Actual return on plan assets |  |  | — |  |  | — |
Employer contributions |  |  | — |  |  | — |
Benefits paid |  |  | — |  |  | — |
Distribution of plan assets |  |  | — |  |  | — |
Foreign exchange adjustment |  |  | — |  |  | — |
Plan assets at fair value, end of period |  | $ | — |  | $ | — |
Funded status (pension liability), end of period |  | $ | (1,035) |  | $ | (957) |
Amount Recognized in Accumulated Other Comprehensive Income, Net of Tax: |  |  |  |  |  |  |
Transition obligation |  | $ | (20) |  | $ | (26) |
Actuarial gain |  |  | 122 |  |  | 146 |
Prior service cost |  |  | 9 |  |  | 9 |
Net loss |  |  | (10) |  |  | (8) |
Accumulated other comprehensive income |  | $ | 101 |  | $ | 121 |
Accumulated benefit obligation at end of year |  | $ | (893) |  | $ | (828) |
Schedule of Net Benefit Costs [Table Text Block] | Net periodic pension cost associated with the Japan Plan for the years ended January 1, 2016, January 2, 2015 and January 3, 2014 includes the following components (in thousands):
|  | 2015 |  | 2014 |  | 2013 |
Service cost |  | $ | 121 |  | $ | 157 |  | $ | 158 |
Interest cost |  |  | 6 |  |  | 9 |  |  | 8 |
Net amortization of transition obligation |  |  | 11 |  |  | 12 |  |  | 12 |
Actuarial gain |  |  | (15) |  |  | (10) |  |  | (31) |
Prior service cost (credit) |  |  | (2) |  |  | (1) |  |  | (1) |
Net periodic pension cost |  | $ | 121 |  | $ | 167 |  | $ | 146 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] | Changes in other comprehensive income (loss), net of tax, associated with the Japan Plan for the years ended January 1, 2016, January 2, 2015 and January 3, 2014 include the following components (in thousands):
|  | 2015 |  | 2014 |  | 2013 |
Amortization of net transition obligation |  |  | 7 |  |  | 12 |  |  | 12 |
Amortization of actuarial loss |  |  | (21) |  |  | (9) |  |  | (47) |
Actuarial income (loss) recorded in current year |  |  | (10) |  |  | 13 |  |  | (153) |
Amortization prior service cost |  |  | — |  |  | (2) |  |  | (1) |
Change in other comprehensive income (loss) |  | $ | (24) |  | $ | 14 |  |  | (189) |
Schedule of Assumptions Used [Table Text Block] | Net periodic pension cost and projected and accumulated pension obligation for the Company’s Japan Plan were calculated on January 1, 2016 and January 2, 2015 using the following assumptions:
|  | 2015 |  |  | 2014 |
Discount rate |  |  | 0.5 | % |  |  | 0.6 | %
Salary increases |  |  | 6.1 | % |  |  | 4.5 | %
Expected return on plan assets |  |  | N/A |  |  |  | N/A |
Expected average remaining working lives in years |  |  | 8.13 |  |  |  | 8.12 |
Schedule Of Defined Benefit Plan Estimated Future Benefit Payments [Table Text Block] | The estimated future benefit payments for the Japan Plan are as follows (in thousands):
Fiscal Year |  | Amount |
2016 |  | $ | 55 |
2017 |  |  | 135 |
2018 |  |  | 54 |
2019 |  |  | 55 |
2020 |  |  | 57 |
Thereafter |  |  | 607 |
Total |  | $ | 963 |

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