Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021
Operating Activities
Net income (loss)	$ (48,118)	$ 95,201
Income from discontinued operations	(1,205)	(103,114)
Adjustments to reconcile income (loss) from continuing operations to cash provided by operating activities:
Depreciation and amortization	61,144	65,728
Stock-based incentive compensation expense	6,728	317
Deferred income tax expense (benefit)	1,536	(23,290)
Gain on GreenFirst equity securities	(5,197)	0
Net periodic benefit cost of pension and other postretirement plans	2,972	5,163
Loss from sale/disposal of property, plant and equipment	2,756	0
Unrealized gain on derivative instruments	0	(3,885)
Unrealized loss from foreign currency	(2,729)	5,236
Other	3,645	(145)
Changes in operating assets and liabilities:
Receivables	(31,100)	(13,283)
Inventories	(13,156)	(25,231)
Accounts payable	12,248	6,126
Accrued liabilities	14,478	27,555
All other operating activities	(36,625)	12,943
Contributions to pension and other postretirement plans	(3,659)	(3,535)
Cash (Used in) Provided by Operating Activities-continuing operations	(36,282)	45,786
Cash Provided by Operating Activities-discontinued operations	0	140,633
Cash (Used in) Provided by Operating Activities	(36,282)	186,419
Investing Activities
Capital expenditures, net	(86,675)	(47,048)
Proceeds from sale of assets	86	0
Investment in equity method investment	0	(4,013)
Cash Used for Investing Activities-continuing operations	(86,589)	(51,061)
Cash Provided by (Used for) Investing Activities-discontinued operations	43,288	(5,758)
Cash Used for Investing Activities	(43,301)	(56,819)
Financing Activities
Other borrowings	5,569	0
Repayment of long-term debt	(25,215)	(4,651)
Short-term financing, net	(1,720)	(1,296)
Common stock repurchased	(304)	(1,423)
Debt issue costs	0	(449)
Cash Used for Financing Activities	(21,670)	(7,819)
Cash and Cash Equivalents
Change in cash and cash equivalents	(101,253)	121,781
Net effect of foreign exchange on cash and cash equivalents	(4,306)	(695)
Balance, beginning of period	253,307	93,653
Balance, end of period	$ 147,748	$ 214,739