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Accumulated Other Comprehensive Loss
9 Months Ended
Sep. 29, 2018
Accumulated Other Comprehensive Loss [Abstract]  
Comprehensive Income Note [Text Block]

8. Accumulated Other Comprehensive Loss

Net unrealized losses recorded in accumulated other comprehensive loss were as follows:

September 29, 2018December 30, 2017
$$
Currency translation adjustment(8,939)(6,963)
Cash flow hedges, net of income taxes-(305)
(8,939)(7,268)