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SUPPLEMENTAL BALANCE SHEET INFORMATION - Composition of Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015
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Supplemental Balance Sheet Information [Abstract] |  |  |
Investments | $ 28,489 | $ 3,771 |
Prepaid income tax | 52,234 | 40,705 |
Restricted cash | 592 | 532 | $ 271
Other current assets | $ 81,315 | $ 45,008 |

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