Discontinued Operations (Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax [Abstract]
(Loss) from discontinued operations, net of tax	$ (468)	$ (414)	$ (483)	$ (2,184)
Previously Discontinued Operations \| Discontinued Operations, Held-for-sale or Disposed of by Sale
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax [Abstract]
Workers' compensation costs from former textile operations	0	(38)	(1)	(67)
Environmental remediation costs from former textile operations	10	(22)	10	(53)
Commercial business operations	(478)	(940)	(492)	(2,650)
Loss from discontinued operations, before taxes	(468)	(1,000)	(483)	(2,770)
Income tax benefit	0	(586)	0	(586)
(Loss) from discontinued operations, net of tax	$ (468)	$ (414)	$ (483)	$ (2,184)

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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+ Details

- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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+ Details