Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 2,584,485	$ 2,577,014	$ 5,026,975	$ 4,989,216
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	971,946	947,475	1,884,741	1,841,566
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	1,009,921	991,757	1,936,274	1,876,314
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	376,180	396,967	758,494	800,379
Other
Disaggregation of Revenue [Line Items]
Net sales	226,438	240,815	447,466	470,957
United States
Disaggregation of Revenue [Line Items]
Net sales	1,501,304	1,592,529	2,926,440	3,056,838
Europe
Disaggregation of Revenue [Line Items]
Net sales	683,130	701,426	1,334,194	1,387,954
Russia
Disaggregation of Revenue [Line Items]
Net sales	94,901	90,262	170,460	161,113
Other
Disaggregation of Revenue [Line Items]
Net sales	305,150	192,797	595,881	383,311
Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	958,031	929,297	1,856,383	1,805,845
Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	983,439	1,057,570	1,905,419	2,007,928
Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	643,015	590,147	1,265,173	1,175,443
Operating segments | Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	958,031	929,297	1,856,383	1,805,845
Operating segments | Global Ceramic segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	958,031	929,297	1,856,383	1,805,845
Operating segments | Global Ceramic segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Global Ceramic segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Global Ceramic segment | United States
Disaggregation of Revenue [Line Items]
Net sales	554,509	578,535	1,096,335	1,134,722
Operating segments | Global Ceramic segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	205,205	208,671	384,515	398,906
Operating segments | Global Ceramic segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	67,792	63,709	119,707	115,131
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	130,525	78,382	255,826	157,086
Operating segments | Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	983,439	1,057,570	1,905,419	2,007,928
Operating segments | Flooring NA segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	13,915	18,178	28,358	35,721
Operating segments | Flooring NA segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	808,402	859,179	1,543,826	1,614,725
Operating segments | Flooring NA segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	161,122	180,213	333,235	357,482
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Flooring NA segment | United States
Disaggregation of Revenue [Line Items]
Net sales	946,086	1,013,994	1,829,328	1,922,116
Operating segments | Flooring NA segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	2,164	1,870	4,001	3,520
Operating segments | Flooring NA segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	22	0	52	0
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	35,167	41,706	72,038	82,292
Operating segments | Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	643,015	590,147	1,265,173	1,175,443
Operating segments | Flooring ROW segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Flooring ROW segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	201,519	132,578	392,448	261,589
Operating segments | Flooring ROW segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	215,058	216,754	425,259	442,897
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	226,438	240,815	447,466	470,957
Operating segments | Flooring ROW segment | United States
Disaggregation of Revenue [Line Items]
Net sales	709	0	777	0
Operating segments | Flooring ROW segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	475,761	490,885	945,678	985,528
Operating segments | Flooring ROW segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	27,087	26,553	50,701	45,982
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 139,458	$ 72,709	$ 268,017	$ 143,933