Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Operating activities
Net earnings (loss)	$ 25,595	$ (4,462)
Items not affecting cash:
Depreciation and amortization	8,302	8,141
Amortization of debt issuance costs	655	608
Deferred income taxes	7,327	(1,286)
Stock-based compensation	(163)	2,171
Unrealized loss on derivative contracts	112	1,521
Gain on sale of business	(45,579)	0
Fair value of contingent consideration		(2,416)
Impairment of long-lived assets		339
Other	(62)	1
Changes in non-cash working capital	4,801	2,889
Net cash flows from operations	988	7,506
Investing activities
Net proceeds from sale of business	64,876
Purchases of property, plant and equipment	(7,974)	(6,735)
Proceeds from sale of assets		700
Net cash flows from investing activities	56,902	(6,035)
Financing activities
Increase (decrease) under line of credit facilities	(54,661)	309
Borrowings under long-term debt	1,852
Repayment of long-term debt	(723)	(522)
Payment of cash dividends on Series A Preferred Stock	(1,700)	(1,700)
Proceeds from the exercise of stock options and employee share purchases	228	149
Payment of debt issuance costs	(314)
Other	221	(40)
Net cash flows from financing activities	(55,097)	(1,804)
Foreign exchange gain (loss) on cash held in a foreign currency	(58)	29
Increase (decrease) in cash and cash equivalents in the period	2,735	(304)
Cash and cash equivalents - beginning of the period	3,280	3,228
Cash and cash equivalents - end of the period	6,015	2,924
Non-cash financing activity
Accrued cash dividends on Series A Preferred Stock	$ (1,700)	$ (1,700)