Goodwill and intangible assets (Tables)

9 Months Ended

Sep. 28, 2019

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, 2018
Goodwill	$	1,564,987		874,198		1,409,206		3,848,391
Accumulated impairment losses	(531,930		)	(343,054	)	(452,441	)	(1,327,425	)
	1,033,057			531,144		956,765		2,520,966
Goodwill recognized during the period	(1,758		)	—		47,543		45,785
Currency translation during the period	(2,740		)	—		(44,797	)	(47,537	)
Balance as of September 28, 2019
Goodwill	1,560,489			874,198		1,411,952		3,846,639
Accumulated impairment losses	(531,930		)	(343,054	)	(452,441	)	(1,327,425	)
	$	1,028,559		531,144		959,511		2,519,214

Schedule of indefinite life assets not subject to amortization

Intangible assets not subject to amortization:

    

	Tradenames
Balance as of December 31, 2018	$	707,380
Intangible assets acquired during the period	(874		)
Currency translation during the period	(16,718		)
Balance as of September 28, 2019	$	689,788

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, 2018	$	651,012		254,483		6,535		912,030
Intangible assets recognized during the period	2,092			—		—		2,092
Currency translation during the period	(20,143		)	(11,213	)	(173	)	(31,529	)
Balance as of September 28, 2019	$	632,961		243,270		6,362		882,593
Accumulated amortization:	Customer relationships			Patents		Other		Total
Balance as of December 31, 2018	$	406,386		249,988		1,227		657,601
Amortization during the period	19,027			1,606		(37	)	20,596
Currency translation during the period	(11,722		)	(11,028	)	(19	)	(22,769	)
Balance as of September 28, 2019	$	413,691		240,566		1,171		655,428
Intangible assets subject to amortization, net	$	219,270		2,704		5,191		227,165

Schedule of intangible assets amortization expense

	Three Months Ended			Nine Months Ended
	September 28, 2019		September 29, 2018	September 28, 2019	September 29, 2018
Amortization expense	$	6,912	8,148	20,596	23,198