Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Operating activities
Net loss	$ (175,018)	$ (4,841)	$ (1,172)
Loss from discontinued operations	(153,108)	(8,722)	(6,715)
Earnings (loss) from continuing operations	(21,910)	3,881	5,543
Items not affecting cash:
Depreciation and amortization	31,039	23,047	18,627
Amortization of debt issuance costs	1,398	1,601	1,353
Deferred income taxes	3,978	(296)	(4,562)
Stock-based compensation	11,778	13,830	9,100
Loss on extinguishment of debt	1,584	0	0
Impairment of long-lived assets	0	0	3,202
Other	707	3,825	1,736
Changes in operating assets and liabilities, net of divestitures	(24,999)	(15,142)	3,208
Net cash provided by operating activities of continuing operations	3,575	30,746	38,207
Net cash provided by (used in) operating activities of discontinued operations	11,269	29,829	(59,639)
Net cash provided by (used in) operating activities	14,844	60,575	(21,432)
Investing activities
Additions to property, plant and equipment	(46,125)	(125,139)	(54,617)
Cash settlement of foreign currency forward contract	(394)	0	0
Proceeds from sale of property, plant and equipment	0	4,182	2,300
Additions to intangible assets	0	0	(25,073)
Net cash used in investing activities of continuing operations	(46,519)	(120,957)	(77,390)
Net cash provided by (used in) investing activities of discontinued operations	90,551	14,133	(17,060)
Net cash provided by (used in) investing activities	44,032	(106,824)	(94,450)
Financing activities
Increase (decrease) in borrowings under revolving credit facilities	(15,863)	29,640	45,119
Borrowings of long-term debt	199,855	90,907	25,232
Repayment of long-term debt	(95,303)	(20,085)	(8,502)
Repayment of asset-based credit facilities	(141,880)	0	0
Payment of debt issuance costs	(3,297)	(735)	(2,561)
Proceeds from notes payable	102,043	0	0
Repayment of notes payable	84,447	0	0
Proceeds from the exercise of stock options and employee share purchases	1,882	1,628	7,726
Payment of withholding taxes on stock-based awards	(9,404)	(1,629)	(8,718)
Payment of cash dividends on preferred stock	(1,732)	(2,436)	(5,247)
Payment of common share issuance costs	(191)	0	(287)
Payment of preferred stock issuance costs	0	(756)	0
Net cash provided by (used in) financing activities of continuing operations	(48,337)	96,534	52,762
Net cash provided by (used in) financing activities of discontinued operations	(2,464)	(49,833)	63,096
Net cash provided by (used in) financing activities	(50,801)	46,701	115,858
Increase (decrease) in cash, cash equivalents and restricted cash during the year	8,075	452	(24)
Cash and cash equivalents, beginning of the year	679	227	251
Cash, cash equivalents and restricted cash, end of the year	$ 8,754	$ 679	$ 227