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Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 26, 2015 | Dec. 27, 2014
Income Tax Contingency [Line Items] |  |
Unrecognized tax benefits, decrease resulting from acquisition | $ 10,400 |
Unrecognized tax benefits, increase resulting from acquisition | 9,800 |
Valuation allowance, deferred tax asset, change | (200) |
Valuation allowance, deferred tax asset | 6,112 | $ 5,866
Unrecognized tax benefits, period increase (decrease) | (11,300) |
Unrecognized tax benefits that would impact effective tax rate | 20,100 | 32,300
Change unrecognized tax benefits that, if recognized, would affect the effective tax rate. | 12,200 |
Decrease in unrecognized tax benefits that is reasonably possible | 1,900 |
Unrecognized tax benefits, interest on income taxes accrued | 1,000 | 1,400
Undistributed earnings of foreign subsidiaries | 547,600 |
Foreign withholding taxes, consolidated appropriations act | 6,600 |
Foreign Tax Authority |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 34,600 | $ 39,800
Foreign Tax Authority | Net Operating Loss Carryforward, Expiring after 2015 |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 4,300 |
Foreign Tax Authority | Net Operating Loss Carryforward, Carried Forward Indefinitely |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 11,600 |
Canada | Tax Credit Carryforwards,Expiring in 2030 |  |
Income Tax Contingency [Line Items] |  |
Tax credit carryforward | $ 18,700 |

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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