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INCOME TAXES (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 26, 2015
Income Tax Contingency [Line Items] |  |
Increase in valuation allowance | $ 4,000 |
Valuation allowance | 10,101 | $ 6,112
Increase in unrecognized income tax benefits | 800 |
Unrecognized tax benefits that would impact effective tax rate | 21,400 | 20,100
Increase in unrecognized income tax benefits that would impact tax rate | 1,300 |
Decrease in unrecognized tax benefits that is reasonably possible | 4,600 |
Accrued interest related to unrecognized income tax benefits | 1,700 | 1,000
Accrued penalties related to unrecognized income tax benefits | 200 |
Earnings of non-U.S. subsidiaries considered to be indefinitely reinvested | 704,600 |
Foreign withholding taxes related to consolidated appropriations act | 4,500 |
Foreign Tax Authority |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 58,500 | $ 34,600
Foreign Tax Authority | Tax Credit Carryforwards, Expiring in 2028 and Beyond |  |
Income Tax Contingency [Line Items] |  |
Tax credit carryforward | 40,500 |
Foreign Tax Authority | Net Operating Loss Carryforward, Expiring after 2016 |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 5,200 |
Foreign Tax Authority | Net Operating Loss Carryforward, Carried Forward Indefinitely |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards | 12,800 |
Canada | Tax Credit Carryforwards, Expiring in 2028 and Beyond |  |
Income Tax Contingency [Line Items] |  |
Tax credit carryforward | $ 16,800 |

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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=65882285&loc=d3e32718-109319 + Details
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