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Income Taxes - Textual (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013
Operating Loss Carryforwards [Line Items] |  |  |  |
Excess benefits due to stock option exercise | $ 200 |  |  |
Excess tax benefits recorded to additional paid in capital | 100 |  |  |
Change in amount of operating loss carryforwards valuation allowance | (25,800) | $ 1,600 |  |
Decrease in valuation allowance for deferred tax assets | 27,400 |  |  |
Undistributed earnings from non-U.S. operations | 3,700 |  |  |
Maximum amount company recognize from unrecognized tax benefit | 6,477 | $ 6,961 | $ 6,442 | $ 4,436
Unrecognized tax benefits that would impact effective tax rate if recognized | 3,700 |  |  |
California [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 26,700 |  |  |
State research and experimental tax credit carryforward | 7,800 |  |  |
California [Member] | Excess Tax Benefit Related to Exercise of Stock Option [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 3,100 |  |  |
State research and experimental tax credit carryforward | 200 |  |  |
Foreign Tax Authority [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 31,800 |  |  |
Foreign Tax Authority [Member] | Excess Tax Benefit Related to Exercise of Stock Option [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 1,300 |  |  |
Federal [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
State research and experimental tax credit carryforward | $ 8,600 |  |  |

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- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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