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SEGMENT AND GEOGRAPHIC INFORMATION - Revenue and Long-Lived Assets by Geographic Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 1,857,601 | $ 1,681,432 | $ 1,363,302
Long-lived assets | 781,973 | 755,827 | 677,959
U.S. |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 959,263 | 850,422 | 659,466
Long-lived assets | 446,574 | 462,330 | 402,238
Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 569,812 | 520,937 | 435,491
Long-lived assets | 203,911 | 177,423 | 159,445
Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 200,343 | 194,210 | 172,349
Long-lived assets | 82,228 | 78,866 | 77,535
Asia Pacific |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 126,462 | 114,710 | 95,996
Long-lived assets | 49,020 | 37,111 | 38,741
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,721 | 1,153 | 0
Long-lived assets | $ 240 | $ 97 | $ 0

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