Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Operating activities
Net earnings (loss)	$ 1,684	$ (918)	$ 5,904	$ 754
Earnings (loss) from discontinued operations	(814)	0	2,752	0
Earnings (loss) from continuing operations	2,498	(918)	3,152	754
Items not affecting cash:
Depreciation and amortization	9,372	8,910	18,785	16,953
Amortization of debt issuance costs	396	349	771	634
Deferred income taxes	2,128	(4,331)	2,208	(3,494)
Stock-based compensation	3,970	4,370	5,599	8,343
Impairment of long-lived assets	0	2,962	0	2,962
Other	1,634	(167)	1,745	(336)
Changes in operating assets and liabilities	(22,452)	(50,322)	(19,171)	(71,978)
Net cash provided by (used in) operating activities of continuing operations	(2,454)	(39,147)	13,089	(46,162)
Investing activities
Additions to property, plant and equipment	(37,038)	(7,306)	(62,760)	(16,603)
Proceeds from sale of assets	2,978	0	4,182	1,350
Additions to intangible assets	0	(25,073)	0	(25,073)
Net cash used in investing activities of continuing operations	(34,060)	(32,379)	(58,578)	(40,326)
Net cash used in investing activities of discontinued operations	(6,324)	0	(6,324)	(13,380)
Net cash used in investing activities	(40,384)	(32,379)	(64,902)	(53,706)
Financing activities
Increase in borrowings under revolving credit facilities	31,067	70,244	20,762	111,829
Borrowings of long-term debt	18,206	4,155	41,103	4,641
Repayment of long-term debt	(5,174)	(5,855)	(7,569)	(9,940)
Payment of debt issuance costs	(53)	(543)	(559)	(2,371)
Proceeds from the exercise of stock options and employee share purchases	341	4,550	591	7,190
Payment of withholding taxes on stock-based awards	(882)	(666)	(971)	(6,737)
Payment of cash dividends on preferred stock	(609)	(609)	(1,218)	(4,029)
Payment of share issuance costs	0	(25)	0	(287)
Net cash provided by financing activities of continuing operations	42,896	71,251	52,139	100,296
Net cash used in financing activities of discontinued operations	0	0	0	(200)
Net cash provided by financing activities	42,896	71,251	52,139	100,096
Increase (decrease) in cash and cash equivalents in the period	58	(275)	326	228
Cash and cash equivalent, beginning of the period	495	754	227	251
Cash and cash equivalents, end of the period	$ 553	$ 479	$ 553	$ 479