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SUPPLEMENTAL CASH FLOW DISCLOSURE (Adjustments to reconcile net earnings to cash flows from operating activities) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2018 | Dec. 31, 2017
Cash flow statement [Abstract] |  |
Depreciation and amortization (note 20) | $ 158,076 | $ 162,150
Restructuring charges related to property, plant and equipment (note 17) | 12,394 | 930
Loss on disposal of property, plant and equipment and intangible assets | 1,124 | 368
Share-based compensation | 19,513 | 15,867
Deferred income taxes (note 18) | 8,872 | 4,895
Unrealized net (gain) loss on foreign exchange and financial derivatives | 882 | (863)
Timing differences between settlement of financial derivatives and transfer of deferred gains and losses in accumulated OCI to inventory and net earnings | 0 | (10,070)
Other non-current assets | (1,445) | (523)
Other non-current liabilities | 2,839 | 2,445
Adjustments to reconcile net earnings to cash flows from operating activities (note 21(a)) | $ 202,255 | $ 175,199

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