Property, plant and equipment

12 Months Ended

Dec. 30, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

10. Property, Plant and Equipment

The major components of property, plant and equipment as at December 30, 2017 and December 31, 2016were as follows:

	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
	December 31, 2016
	Cost	Accumulated depreciation	Net book value
	$	$	$
Land	7,165	-	7,165
Buildings	68,014	19,432	48,582
Machinery and equipment	168,120	73,914	94,206
Enterprise software	10,845	4,179	6,666
Office furniture and equipment	10,191	5,930	4,261
Vehicles	3,515	2,156	1,359
	267,850	105,611	162,239

As at December 30, 2017property, plant and equipment included construction in process assets of $23.7 million (December 31, 2016 – $13.7 million), which were not being depreciated as they had not yet reached the stage of commercial viability. In addition, as at December 30, 2017, machinery and equipment included equipment under capital leases with a cost of $11.9 million (December 31, 2016 – $11.9 million) and a net book value of $5.4 million (December 31, 2016 – $10.7 million), as well as $5.0 million (December 31, 2016 – $6.1 million) of spare parts inventory.

Total depreciation expense included in cost of goods sold and selling, general and administrative expense on the consolidated statements of operations related to property, plant and equipment for the year ended December 30, 2017was $21.7 million (December 31, 2016 – $22.9 million; January 2, 2016 – $16.1 million).