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Income Taxes (Tables) | 12 Months Ended
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Jan. 02, 2016
Income Taxes |
Components of the provision for income taxes | Significant components of the provision for income taxes are as follows (in thousands):
|  | Year Ended |
|  | January 2, 2016 |  | January 3, 2015 |  | December 28, 2013 |
Current: |  |  |  |  |  |  |  |  |  |
Domestic |  | $ | 951 |  | $ | 7,083 |  | $ | 4,796 |
International |  |  | 3,015 |  |  | 882 |  |  | 4,093 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Current |  |  | 3,966 |  |  | 7,965 |  |  | 8,889 |
Deferred: |  |  |  |  |  |  |  |  |  |
Domestic |  |  | (5,825 | ) |  | 2,352 |  |  | 5,591 |
International |  |  | 2,536 |  |  | 702 |  |  | (2,272 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Deferred |  |  | (3,289 | ) |  | 3,054 |  |  | 3,319 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 677 |  | $ | 11,019 |  | $ | 12,208 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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Summary of effective income tax rate reconciliation |
|  | Year Ended |
|  | January 2, 2016 |  | January 3, 2015 |  | December 28, 2013 |
Federal statutory rate |  |  | 35.0 | % |  | 35.0 | % |  | 35.0 | %
Foreign tax rate benefit |  |  | (30.7 | ) |  | (3.5 | ) |  | (8.2 | )
Research and development tax credits |  |  | (5.6 | ) |  | (8.6 | ) |  | (12.8 | )
Release of prior year unrecognized tax benefits |  |  | (1.9 | ) |  | (2.6 | ) |  | — |
Excess officer compensation |  |  | 3.2 |  |  | 2.3 |  |  | 1.9 |
Change in cost-sharing treatment of stock-based compensation |  |  | (7.1 | ) |  | — |  |  | — |
Change in prior period valuation allowance |  |  | 8.8 |  |  | (1.4 | ) |  | 3.1 |
Other |  |  | 0.5 |  |  | 1.3 |  |  | 0.7 |
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|  |  | 2.2 | % |  | 22.5 | % |  | 19.7 | %
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Schedule of components of income before income taxes | Income before income taxes included the following components (in thousands):
|  | Year Ended |
|  | January 2, 2016 |  | January 3, 2015 |  | December 28, 2013 |
Domestic |  | $ | 2,249 |  | $ | 38,174 |  | $ | 41,849 |
Foreign |  |  | 28,014 |  |  | 10,866 |  |  | 20,178 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 30,263 |  | $ | 49,040 |  | $ | 62,027 |
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Significant components of the Company's deferred taxes | Significant components of the Company's deferred taxes as of January 2, 2016 and January 3, 2015 are as follows (in thousands):
|  | January 2, 2016 |  | January 3, 2015 |
Deferred tax assets: |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 25,869 |  | $ | 31,518 |
Research and development tax credit carryforwards |  |  | 13,335 |  |  | 9,740 |
Stock-based compensation |  |  | 8,757 |  |  | 6,353 |
Capitalized research and development |  |  | 8,741 |  |  | 7,371 |
Deferred income on shipments to distributors |  |  | 7,413 |  |  | 8,117 |
Expected future cost-sharing adjustment |  |  | 25,896 |  |  | — |
Accrued liabilities and other |  |  | 8,619 |  |  | 6,481 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  |  | 98,630 |  |  | 69,580 |
Less: Valuation allowance |  |  | (10,264 | ) |  | (3,455 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  |  | 88,366 |  |  | 66,125 |
Deferred tax liabilities: |  |  |  |  |  |  |
Acquired intangible assets |  |  | 33,020 |  |  | 33,630 |
Depreciation and amortization |  |  | 2,349 |  |  | 3,388 |
Unremitted foreign earnings for expected future cost-sharing adjustment |  |  | 27,495 |  |  | — |
Prepaid expenses and other |  |  | 1,991 |  |  | 1,517 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  |  | 64,855 |  |  | 38,535 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net deferred tax assets |  | $ | 23,511 |  | $ | 27,590 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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Schedule of changes in the unrecognized tax benefits | The following table reflects changes in the unrecognized tax benefits (in thousands):
|  | Year Ended |
|  | January 2, 2016 |  | January 3, 2015 |  | December 28, 2013 |
Beginning balance |  | $ | 3,929 |  | $ | 4,998 |  | $ | 4,364 |
Additions based on tax positions related to current year |  |  | 432 |  |  | 465 |  |  | 316 |
Additions based on tax positions related to prior years |  |  | — |  |  | 58 |  |  | 318 |
Reductions for tax positions related to prior years |  |  | (751 | ) |  | (1,592 | ) |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ending balance |  | $ | 3,610 |  | $ | 3,929 |  | $ | 4,998 |
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