Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Income Statement [Abstract]
Revenues	$ 207,640	$ 207,597
Cost of goods sold	177,651	180,424
Gross profit	29,989	27,173
Selling, general and administrative expenses	20,874	19,933
Intangible asset amortization	2,194	2,271
Other expense, net	1,615	555
Foreign exchange loss	836	2,210
Earnings from continuing operations before the following	4,470	2,204
Interest expense, net	1,660	7,665
Earnings (loss) from continuing operations before income taxes	2,810	(5,461)
Provision for (recovery of) income taxes	1,138	(1,497)
Earnings (loss) from continuing operations	1,672	(3,964)
Earnings from discontinued operations	0	7,325
Net earnings	1,672	3,361
Dividends and accretion on preferred stock	(1,953)	(2,025)
Earnings (loss) attributable to common shareholders	$ (281)	$ 1,336
Basic and diluted earnings (loss) per share
From continuing operations	$ (0.00)	$ (0.07)
From discontinued operations	0	0.08
Basic and diluted earnings (loss) per share	$ (0.00)	$ 0.02
Weighted-average common shares outstanding (000s)
Basic	96,120	88,161
Diluted	96,120	88,161