Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Income Statement [Abstract]
Net sales	$ 2,577,014	$ 2,453,038	$ 4,989,216	$ 4,673,683
Cost of sales	1,810,459	1,673,902	3,517,969	3,214,194
Gross profit	766,555	779,136	1,471,247	1,459,489
Selling, general and administrative expenses	440,248	423,311	876,541	828,880
Operating income	326,307	355,825	594,706	630,609
Interest expense	7,863	8,393	15,391	16,595
Other expense, net	2,090	3,002	6,088	170
Earnings before income taxes	316,354	344,430	573,227	613,844
Income tax expense	118,809	82,682	166,441	151,040
Net earnings including noncontrolling interests	197,545	261,748	406,786	462,804
Net income attributable to noncontrolling interests	959	1,067	1,434	1,569
Net earnings attributable to Mohawk Industries, Inc.	$ 196,586	$ 260,681	$ 405,352	$ 461,235
Basic earnings per share attributable to Mohawk Industries, Inc.
Basic earnings per share attributable to Mohawk Industries, Inc. (in usd per share)	$ 2.64	$ 3.51	$ 5.44	$ 6.21
Weighted-average common shares outstanding-basic (in shares)	74,597	74,327	74,525	74,269
Diluted earnings per share attributable to Mohawk Industries, Inc.
Diluted earnings per share attributable to Mohawk Industries, Inc. (in usd per share)	$ 2.62	$ 3.48	$ 5.41	$ 6.17
Weighted-average common shares outstanding-diluted (in shares)	74,937	74,801	74,928	74,773