Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2023	Sep. 29, 2022
OPERATING ACTIVITIES:
Net income (loss)	$ 16,234	$ (2,653)
Adjustments to reconcile net loss to net cash provided by operating activities:
Losses on investments in joint ventures	127	104
Distribution from joint venture	200	0
(Gain) loss on disposition of property, equipment and other assets	1,019	(267)
Impairment charges	684	0
Depreciation and amortization	51,028	50,435
Amortization of debt issuance costs	1,109	1,242
Share-based compensation	5,000	7,036
Deferred income taxes	6,586	(2)
Other long-term obligations	904	791
Contribution of the Company’s stock to savings and profit-sharing plan	1,259	956
Changes in operating assets and liabilities:
Accounts receivable	59	2,775
Government grants receivable	0	4,335
Other assets	(3,043)	(3,341)
Operating leases	(663)	(1,596)
Accounts payable	(4,389)	(11,641)
Income taxes	(241)	22,653
Taxes other than income taxes	1,061	(1,222)
Accrued compensation	(6,195)	(4,719)
Other accrued liabilities	(2,097)	(4,524)
Total adjustments	52,408	63,015
Net cash provided by operating activities	68,642	60,362
INVESTING ACTIVITIES:
Capital expenditures	(25,836)	(27,483)
Proceeds from disposals of property, equipment and other assets	67	4,850
Proceeds from sale of trading securities	17	0
Purchase of trading securities	(839)	0
Other investing activities	(291)	(230)
Net cash used in investing activities	(26,882)	(22,863)
Debt transactions:
Proceeds from borrowings on revolving credit facility	38,000	62,000
Repayment of borrowings on revolving credit facility	(38,000)	(43,000)
Repayments on short-term borrowings	0	(47,499)
Principal payments on long-term debt	(11,097)	(11,275)
Repayment of borrowing on insurance policy	(6,700)	0
Debt issuance costs	(82)	(37)
Principal payments on finance lease obligations	(1,904)	(2,047)
Equity transactions:
Treasury stock transactions, except for stock options	(526)	(1,486)
Exercise of stock options	222	126
Dividends paid	(5,273)	(1,540)
Distributions to noncontrolling interest	(824)	0
Net cash used in financing activities	(26,184)	(44,758)
Net increase (decrease) in cash, cash equivalents and restricted cash	15,576	(7,259)
Cash, cash equivalents and restricted cash at beginning of period	24,506	24,054
Cash, cash equivalents and restricted cash at end of period	40,082	16,795
Supplemental Information:
Interest paid, net of amounts capitalized	9,542	12,391
Income taxes refunded (paid), including interest earned	(788)	22,940
Change in accounts payable for additions to property, equipment and other assets	$ 1,550	$ 469