Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 30, 2023	Sep. 24, 2022
Disaggregation of Revenue [Line Items]
Total net sales	$ 68,576	$ 71,762	$ 209,669	$ 233,034
Continuing Operations And Discontinued Operations
Disaggregation of Revenue [Line Items]
Total net sales	68,576	71,762	209,669	233,034
Residential floorcovering products | Continuing Operations
Disaggregation of Revenue [Line Items]
Total net sales	67,659	70,125	206,515	227,610
Other services | Continuing Operations
Disaggregation of Revenue [Line Items]
Total net sales	$ 917	$ 1,637	$ 3,154	$ 5,424