Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended	9 Months Ended
Dec. 20, 2018	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Earnings Per Share [Abstract]
Net earnings attributable to Mohawk Industries, Inc.		$ 155,518	$ 227,013	$ 479,544	$ 632,365
Accretion of redeemable noncontrolling interest		0	(670)	0	(975)
Net earnings available to common stockholders		$ 155,518	$ 226,343	$ 479,544	$ 631,390
Weighted-average common shares outstanding-basic and diluted:
Weighted-average common shares outstanding-basic (in shares)		72,106	74,603	72,302	74,599
Add weighted-average dilutive potential common shares-options to purchase common shares and RSUs, net (in shares)		286	342	276	378
Weighted-average common shares outstanding-diluted (in shares)		72,392	74,945	72,578	74,977
Earnings per share attributable to Mohawk Industries, Inc.
Basic (in usd per share)		$ 2.16	$ 3.03	$ 6.63	$ 8.46
Diluted (in usd per share)		$ 2.15	$ 3.02	$ 6.61	$ 8.42
Put of option by holder	$ 33,884

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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