Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended	6 Months Ended
Dec. 20, 2018	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net earnings attributable to Mohawk Industries, Inc.		$ 202,441	$ 196,586	$ 324,026	$ 405,352
Accretion of redeemable noncontrolling interest		0	0	0	(305)
Net earnings available to common stockholders		$ 202,441	$ 196,586	$ 324,026	$ 405,047
Weighted-average common shares outstanding-basic and diluted:
Weighted-average common shares outstanding-basic (in shares)		72,402	74,597	71,970	74,525
Add weighted-average dilutive potential common shares-options to purchase common shares and RSUs, net (in shares)		278	340	280	403
Weighted-average common shares outstanding-diluted (in shares)		72,680	74,937	72,250	74,928
Earnings per share attributable to Mohawk Industries, Inc.
Basic (in usd per share)		$ 2.80	$ 2.64	$ 4.50	$ 5.44
Diluted (in usd per share)		$ 2.79	$ 2.62	$ 4.48	$ 5.41
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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