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Acquisitions (Pro Forma Results) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net sales:
As reported	$ 1,951,446us-gaap_SalesRevenueGoodsNet	$ 1,990,658us-gaap_SalesRevenueGoodsNet	$ 2,048,247us-gaap_SalesRevenueGoodsNet	$ 1,813,095us-gaap_SalesRevenueGoodsNet	$ 1,924,104us-gaap_SalesRevenueGoodsNet	$ 1,961,536us-gaap_SalesRevenueGoodsNet	$ 1,976,299us-gaap_SalesRevenueGoodsNet	$ 1,486,815us-gaap_SalesRevenueGoodsNet	$ 7,803,446us-gaap_SalesRevenueGoodsNet	$ 7,348,754us-gaap_SalesRevenueGoodsNet	$ 5,787,980us-gaap_SalesRevenueGoodsNet
Pro forma									7,803,446	7,611,235	6,878,589
Net earnings from continuing operations attributable to Mohawk Industries, Inc.:
As reported									531,965	366,681	250,258
Pro forma									$ 531,965	$ 399,313	$ 243,760
Basic earnings per share from continuing operations attributable to Mohawk Industries, Inc.:
Basic (usd per share)									$ 7.30	$ 5.11	$ 3.63
Pro forma (usd per share)									$ 7.30	$ 5.51	$ 3.39
Diluted earnings per share from continuing operations attributable to Mohawk Industries, Inc.:
Diluted (usd per share)									$ 7.25	$ 5.07	$ 3.61
Pro forma (usd per share)									$ 7.25	$ 5.47	$ 3.38