Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 9,970,672	$ 9,983,634	$ 9,491,290
Cost of sales	7,294,629	7,145,564	6,494,876
Gross profit	2,676,043	2,838,070	2,996,414
Selling, general and administrative expenses	1,848,819	1,742,744	1,642,241
Operating income	827,224	1,095,326	1,354,173
Interest expense	41,272	38,827	31,111
Other expense	36,407	7,298	5,205
Earnings before income taxes	749,545	1,049,201	1,317,857
Income tax expense	4,974	184,346	343,165
Net earnings including noncontrolling interest	744,571	864,855	974,692
Net earnings attributable to noncontrolling interest	360	3,151	3,054
Net earnings attributable to Mohawk Industries, Inc.	$ 744,211	$ 861,704	$ 971,638
Basic earnings per share attributable to Mohawk Industries, Inc.
Basic earnings per share attributable to Mohawk Industries, Inc. (usd per share)	$ 10.34	$ 11.53	$ 13.07
Weighted-average common shares outstanding—basic (in shares)	71,986	74,413	74,357
Diluted earnings per share attributable to Mohawk Industries, Inc.
Diluted earnings per share attributable to Mohawk Industries, Inc. (usd per share)	$ 10.30	$ 11.47	$ 12.98
Weighted-average common shares outstanding—diluted (in shares)	72,264	74,773	74,839