Property plant and equipment (Tables)

12 Months Ended

Dec. 29, 2018

Property, Plant and Equipment, Net, by Type [Abstract]

Property Plant And Equipment [Text Block]

	December 29, 2018
	Cost	Accumulated depreciation	Net book value
	$	$	$
Land	7,075	-	7,075
Buildings	73,792	24,059	49,733
Machinery and equipment	192,982	94,920	98,062
Enterprise software	20,996	8,878	12,118
Office furniture and equipment	11,505	8,472	3,033
Vehicles	3,191	2,180	1,011
	309,541	138,509	171,032
	December 30, 2017
	Cost	Accumulated depreciation	Net book value
	$	$	$
Land	7,124	-	7,124
Buildings	70,383	21,784	48,599
Machinery and equipment	178,760	84,525	94,235
Enterprise software	14,829	6,651	8,178
Office furniture and equipment	12,063	7,834	4,229
Vehicles	3,609	2,350	1,259
	286,768	123,144	163,624