Restructuring, Acquisition and Integration-Related Costs - Restructuring Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Restructuring Reserve [Roll Forward]
Beginning balance	$ 8,248		$ 12,305
Restructuring costs	5,679		15,754
Ending balance	4,648		4,648
Cash payments	(5,745)		(12,470)
Non-cash items	(3,534)		(10,941)
Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs	(812)
Corporate
Restructuring Reserve [Roll Forward]
Restructuring costs	278		276
Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	5,273	$ 49,500	15,439	$ 60,672
Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	406	$ 12,540	315	$ 13,077
Lease impairments
Restructuring Reserve [Roll Forward]
Beginning balance	0		0
Restructuring costs	226		189
Ending balance	0		0
Cash payments	0		0
Non-cash items	(226)		(189)
Lease impairments | Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs	0
Lease impairments | Corporate
Restructuring Reserve [Roll Forward]
Restructuring costs	0		0
Lease impairments | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	0		0
Lease impairments | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	226		189
Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning balance	0		0
Restructuring costs	3,157		9,961
Ending balance	0		0
Cash payments	0		0
Non-cash items	(3,157)		(9,961)
Asset write-downs | Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs	(516)
Asset write-downs | Corporate
Restructuring Reserve [Roll Forward]
Restructuring costs	0		0
Asset write-downs | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	2,939		9,690
Asset write-downs | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	218		271
Severance
Restructuring Reserve [Roll Forward]
Beginning balance	7,973		11,576
Restructuring costs	(144)		(610)
Ending balance	4,624		4,624
Cash payments	(3,282)		(6,077)
Non-cash items	77		(265)
Severance | Corporate
Restructuring Reserve [Roll Forward]
Restructuring costs	278		276
Severance | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	64		(147)
Severance | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	(208)		(463)
Other restructuring costs
Restructuring Reserve [Roll Forward]
Beginning balance	275		729
Restructuring costs	2,440		6,214
Ending balance	24		24
Cash payments	(2,463)		(6,393)
Non-cash items	(228)		(526)
Other restructuring costs | Corporate
Restructuring Reserve [Roll Forward]
Restructuring costs	0		0
Other restructuring costs | Cost of sales
Restructuring Reserve [Roll Forward]
Restructuring costs	2,270		5,896
Other restructuring costs | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	170		318
Operating segments | Global Ceramic segment
Restructuring Reserve [Roll Forward]
Restructuring costs	726		1,998
Operating segments | Flooring NA segment
Restructuring Reserve [Roll Forward]
Restructuring costs	5,487		14,347
Operating segments | Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs			(867)
Operating segments | Lease impairments | Global Ceramic segment
Restructuring Reserve [Roll Forward]
Restructuring costs	226		226
Operating segments | Lease impairments | Flooring NA segment
Restructuring Reserve [Roll Forward]
Restructuring costs	0		(37)
Operating segments | Lease impairments | Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs			0
Operating segments | Asset write-downs | Global Ceramic segment
Restructuring Reserve [Roll Forward]
Restructuring costs	356		1,316
Operating segments | Asset write-downs | Flooring NA segment
Restructuring Reserve [Roll Forward]
Restructuring costs	3,317		9,161
Operating segments | Asset write-downs | Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs			(516)
Operating segments | Severance | Global Ceramic segment
Restructuring Reserve [Roll Forward]
Restructuring costs	0		0
Operating segments | Severance | Flooring NA segment
Restructuring Reserve [Roll Forward]
Restructuring costs	52		52
Operating segments | Severance | Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs	(474)		(938)
Operating segments | Other restructuring costs | Global Ceramic segment
Restructuring Reserve [Roll Forward]
Restructuring costs	144		456
Operating segments | Other restructuring costs | Flooring NA segment
Restructuring Reserve [Roll Forward]
Restructuring costs	2,118		5,171
Operating segments | Other restructuring costs | Flooring ROW segment
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 178		$ 587