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Accumulated other comprehensive income (loss) (Tables) | 12 Months Ended
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Dec. 29, 2018
Accumulated Other Comprehensive Loss [Abstract] |
Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] | Net unrealized losses recorded in accumulated other comprehensive loss were as follows:
|  |  |  | December 29, 2018 | December 30, 2017
|  |  |  | $ | $
Currency translation adjustment | (9,667) | (6,963)
Cash flow hedges, net of income taxes | - | (305)
|  |  |  | (9,667) | (7,268)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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