Goodwill and intangible assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The components of goodwill and other intangible assets are as follows:

Goodwill:

	Global Ceramic segment			Flooring NA segment		Flooring ROW segment		Total
Balance as of December 31, 2017
Goodwill	$	1,567,872		869,764		1,361,248		3,798,884
Accumulated impairment losses	(531,930		)	(343,054	)	(452,441	)	(1,327,425	)
	$	1,035,942		526,710		908,807		2,471,459
Goodwill recognized during the period	$	—		—		12,548		12,548
Currency translation during the period	$	5,100		—		23,508		28,608
Balance as of March 31, 2018
Goodwill	$	1,572,972		869,764		1,397,304		3,840,040
Accumulated impairment losses	(531,930		)	(343,054	)	(452,441	)	(1,327,425	)
	$	1,041,042		526,710		944,863		2,512,615

Schedule of indefinite life assets not subject to amortization

Intangible assets not subject to amortization:

	Tradenames
Balance as of December 31, 2017	$	644,208
Intangible assets acquired during the period	—
Currency translation during the period	10,141
Balance as of March 31, 2018	$	654,349

Schedule of intangible assets subject to amortization

Intangible assets subject to amortization:

Gross carrying amounts:	Customer relationships		Patents	Other	Total
Balance as of December 31, 2017	$	625,263	266,969	6,825	899,057
Intangible assets recognized during the period	—		—	7	7
Currency translation during the period	11,865		7,082	179	19,126
Balance as of March 31, 2018	$	637,128	274,051	7,011	918,190
Accumulated amortization:	Customer relationships		Patents	Other	Total
Balance as of December 31, 2017	$	390,428	259,908	1,162	651,498
Amortization during the period	6,975		583	9	7,567
Currency translation during the period	6,577		6,898	10	13,485
Balance as of March 31, 2018	$	403,980	267,389	1,181	672,550
Intangible assets subject to amortization, net	$	233,148	6,662	5,830	245,640

Schedule of intangible assets amortization expense

	Three Months Ended
	March 31, 2018		April 1, 2017
Amortization expense	$	7,567	10,059