Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 2,545,800	$ 2,448,510	$ 7,535,016	$ 7,122,193
Cost of sales	1,825,367	1,665,209	5,343,336	4,879,403
Gross profit	720,433	783,301	2,191,680	2,242,790
Selling, general and administrative expenses	433,189	403,203	1,309,730	1,232,083
Operating income	287,244	380,098	881,950	1,010,707
Interest expense	9,025	7,259	24,416	23,854
Other expense, net	706	1,285	6,794	1,455
Earnings before income taxes	277,513	371,554	850,740	985,398
Income tax expense	49,487	100,532	215,928	251,572
Net earnings including noncontrolling interests	228,026	271,022	634,812	733,826
Net income attributable to noncontrolling interests	1,013	997	2,447	2,566
Net earnings attributable to Mohawk Industries, Inc.	$ 227,013	$ 270,025	$ 632,365	$ 731,260
Basic earnings per share attributable to Mohawk Industries, Inc.
Basic earnings per share attributable to Mohawk Industries, Inc. (in usd per share)	$ 3.03	$ 3.63	$ 8.46	$ 9.84
Weighted-average common shares outstanding-basic (in shares)	74,603	74,338	74,599	74,330
Diluted earnings per share attributable to Mohawk Industries, Inc.
Diluted earnings per share attributable to Mohawk Industries, Inc. (in usd per share)	$ 3.02	$ 3.61	$ 8.42	$ 9.77
Weighted-average common shares outstanding-diluted (in shares)	74,945	74,841	74,977	74,830