Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 29, 2022	Sep. 30, 2021
OPERATING ACTIVITIES:
Net loss	$ (2,653)	$ (49,737)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Losses on investments in joint ventures	104	0
Gain on disposition of property, equipment and other assets	(267)	(2,908)
Impairment charges	0	3,732
Depreciation and amortization	50,435	54,203
Amortization of debt issuance costs	1,242	1,784
Share-based compensation	7,036	6,673
Deferred income taxes	(2)	(18,817)
Other long-term obligations	791	2,236
Contribution of the Company’s stock to savings and profit-sharing plan	956	1,012
Changes in operating assets and liabilities:
Accounts receivable	2,775	(12,052)
Government grants receivable	4,335	4,913
Other assets	(3,341)	(1,552)
Operating leases	(1,596)	(4,078)
Accounts payable	(11,641)	7,155
Income taxes	22,653	7,613
Taxes other than income taxes	(1,222)	(1,031)
Accrued compensation	(4,719)	5,703
Other accrued liabilities	(4,524)	(2,792)
Total adjustments	63,015	51,794
Net cash provided by operating activities	60,362	2,057
INVESTING ACTIVITIES:
Capital expenditures	(27,483)	(9,121)
Proceeds from disposals of property, equipment and other assets	4,850	9,160
Purchase of trading securities	0	(2,402)
Life insurance premium reimbursement	0	11,411
Other investing activities	(230)	200
Net cash provided by (used in) investing activities	(22,863)	9,248
Debt transactions:
Proceeds from borrowings on revolving credit facility	62,000	128,500
Repayment of borrowings on revolving credit facility	(43,000)	(95,500)
Repayments on short-term borrowings	(47,499)	(37,845)
Principal payments on long-term debt	(11,275)	(10,285)
Proceeds received from borrowing on insurance policy	0	6,700
Debt issuance costs	(37)	(208)
Principal payments on finance lease obligations	(2,047)	(2,065)
Equity transactions:
Treasury stock transactions, except for stock options	(1,486)	(1,170)
Exercise of stock options	126	1,455
Dividends paid	(1,540)	0
Net cash used in financing activities	(44,758)	(10,418)
Net increase (decrease) in cash, cash equivalents and restricted cash	(7,259)	887
Cash, cash equivalents and restricted cash at beginning of period	24,054	14,088
Cash, cash equivalents and restricted cash at end of period	16,795	14,975
Supplemental Information:
Interest paid, net of amounts capitalized	12,391	12,932
Income taxes refunded (paid), including interest earned	22,940	(7,733)
Change in accounts payable for additions to property, equipment and other assets	$ 469	$ 828