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Income Taxes - Textual (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013 | Dec. 29, 2012
Income Taxes (Textual) [Abstract] |  |  |  |
Excess benefits due to stock option exercise | $ 0 |  |  |
Change in amount of operating loss carryforwards valuation allowance | 1,600,000 | $ 23,900,000 |  |
Increase in valuation allowance for deferred tax assets |  | 21,100,000 |  |
Undistributed earnings from non-U.S. operations | 6,500,000 |  |  |
Maximum amount company recognize from unrecognized tax benefit | 6,961,000 | $ 6,442,000 | $ 4,436,000 | $ 3,464,000
Unrecognized tax benefits that would impact effective tax rate if recognized | 800,000 |  |  |
Federal [Member] |  |  |  |
Income Taxes (Textual) [Abstract] |  |  |  |
Operating loss carryforwards | 9,900,000 |  |  |
State research and experimental tax credit carryforward | 7,500,000 |  |  |
Federal [Member] | Excess Tax Benefit Related to Exercise of Stock Option [Member] |  |  |  |
Income Taxes (Textual) [Abstract] |  |  |  |
Operating loss carryforwards | 1,400,000 |  |  |
California [Member] |  |  |  |
Income Taxes (Textual) [Abstract] |  |  |  |
Operating loss carryforwards | 39,500,000 |  |  |
State research and experimental tax credit carryforward | 6,900,000 |  |  |
California [Member] | Excess Tax Benefit Related to Exercise of Stock Option [Member] |  |  |  |
Income Taxes (Textual) [Abstract] |  |  |  |
Operating loss carryforwards | 3,000,000 |  |  |
State research and experimental tax credit carryforward | 200,000 |  |  |
Foreign Tax Authority [Member] |  |  |  |
Income Taxes (Textual) [Abstract] |  |  |  |
Operating loss carryforwards | 38,500,000 |  |  |
Foreign Tax Authority [Member] | Excess Tax Benefit Related to Exercise of Stock Option [Member] |  |  |  |
Income Taxes (Textual) [Abstract] |  |  |  |
Operating loss carryforwards | $ 1,600,000 |  |  |

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- Definition Income taxes. + References No definition available. + Details
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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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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Carryforwards -URI http://asc.fasb.org/extlink&oid=6506874 + Details
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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487024&loc=d3e29054-158556 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 995 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6503627&loc=d3e59836-110443 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28200-109314 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(c) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 + Details
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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