Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Operating activities
Net earnings	$ 1,672	$ 3,361
Earnings from discontinued operations	0	7,325
Earnings (loss) from continuing operations	1,672	(3,964)
Items not affecting cash:
Depreciation and amortization	8,043	7,725
Amortization of debt issuance costs	285	939
Deferred income taxes	837	344
Stock-based compensation	3,973	2,211
Other	(169)	(2)
Changes in operating assets and liabilities	(21,656)	16,424
Net cash provided by (used in) operating activities of continuing operations	(7,015)	23,677
Net cash provided by operating activities of discontinued operations	0	11,072
Net cash provided by (used in) operating activities	(7,015)	34,749
Investing activities
Purchases of property, plant and equipment	(9,297)	(9,022)
Proceeds from sale of assets	1,350	0
Net cash used in investing activities of continuing operations	(7,947)	(9,022)
Net cash used in investing activities of discontinued operations	(13,380)	(667)
Net cash used in investing activities	(21,327)	(9,689)
Financing activities
Increase (decrease) under revolving credit facilities	41,585	(10,413)
Borrowings of long-term debt	486	0
Repayment of long-term debt	(4,085)	(461)
Payment of debt issuance costs	(1,828)	(2,073)
Payment of cash dividends on preferred stock	(3,420)	(1,700)
Proceeds from the exercise of stock options and employee share purchases	2,640	101
Payment of withholding taxes on stock-based awards	(6,071)	0
Payment of share issuance costs	(262)	0
Other	0	(4)
Net cash provided by (used in) financing activities of continuing operations	29,045	(14,550)
Net cash used in financing activities of discontinued operations	(200)	(9,322)
Net cash provided by (used in) financing activities	28,845	(23,872)
Increase in cash and cash equivalents in the period	503	1,188
Cash and cash equivalents of discontinued operations:
Balance at beginning of period	0	1,370
Foreign exchange loss on cash and cash equivalents	0	(16)
Less: balance at end of period	0	(2,437)
Cash and cash equivalent, beginning of the period	251	128
Cash and cash equivalents, end of the period	$ 754	$ 233