Segment Reporting (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021 USD ($)	Jun. 27, 2020 USD ($)	Jul. 03, 2021 USD ($) segment	Jun. 27, 2020 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			3
Segment Reporting Information [Line Items]
Net sales	$ 2,953,833	$ 2,049,800	$ 5,622,859	$ 4,335,563
Operating income (loss)	404,424	(60,958)	721,939	90,524
Assets	14,792,793		14,792,793		$ 14,327,751
Global Ceramic segment
Segment Reporting Information [Line Items]
Net sales	1,039,503	753,335	1,969,374	1,601,785
Flooring NA segment
Segment Reporting Information [Line Items]
Net sales	1,081,189	800,088	2,050,439	1,648,418
Flooring ROW segment
Segment Reporting Information [Line Items]
Net sales	833,141	496,377	1,603,046	1,085,360
Operating segments | Global Ceramic segment
Segment Reporting Information [Line Items]
Net sales	1,039,503	753,335	1,969,374	1,601,785
Operating income (loss)	136,435	(33,809)	224,239	14,168
Assets	5,206,786		5,206,786		5,250,069
Operating segments | Flooring NA segment
Segment Reporting Information [Line Items]
Net sales	1,081,189	800,088	2,050,439	1,648,418
Operating income (loss)	115,943	(45,484)	197,241	(9,278)
Assets	3,870,309		3,870,309		3,594,976
Operating segments | Flooring ROW segment
Segment Reporting Information [Line Items]
Net sales	833,141	496,377	1,603,046	1,085,360
Operating income (loss)	163,886	29,478	323,192	105,294
Assets	4,240,433		4,240,433		4,194,447
Corporate and intersegment eliminations
Segment Reporting Information [Line Items]
Operating income (loss)	(11,840)	$ (11,143)	(22,733)	$ (19,660)
Assets	$ 1,475,265		$ 1,475,265		$ 1,288,259