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Discontinued Operations - Income (Loss) from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of taxes	$ (471)	$ (10,817)
Discontinued Operations, Disposed of by Sale | Lumber and Newsprint Facilities
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0	146,463
Cost of sales	(173)	(82,727)
Gross margin	(173)	63,736
Selling, general and administrative expenses and other	(458)	(8,466)
Operating income (loss)	(631)	55,270
Interest expense	0	(2,614)
Other non-operating income	(4)	345
Income (loss) from discontinued operations before income taxes	(635)	53,001
Income tax benefit (expense)	164	(63,818)
Loss from discontinued operations, net of taxes	(471)	(10,817)
Discontinued Operations, Disposed of by Sale | Lumber and Newsprint Facilities | Intersegment Sales
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 0	$ 12,000

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