Goodwill and intangible assets (Tables)

9 Months Ended

Sep. 29, 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	$	—		5,184		96,000		101,184
Currency translation during the period	$	(15,842	)	—		(34,662	)	(50,504	)
Balance as of September 29, 2018
Goodwill	$	1,552,030		874,948		1,422,586		3,849,564
Accumulated impairment losses	(531,930		)	(343,054	)	(452,441	)	(1,327,425	)
	$	1,020,100		531,894		970,145		2,522,139

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	58,671
Currency translation during the period	(19,531		)
Balance as of September 29, 2018	$	683,348

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	43,635			—		7		43,642
Currency translation during the period	(15,102		)	(8,889	)	(183	)	(24,174	)
Balance as of September 29, 2018	$	653,796		258,080		6,649		918,525
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	21,429			1,713		56		23,198
Currency translation during the period	(8,798		)	(8,673	)	(13	)	(17,484	)
Balance as of September 29, 2018	$	403,059		252,948		1,205		657,212
Intangible assets subject to amortization, net	$	250,737		5,132		5,444		261,313

Schedule of intangible assets amortization expense

	Three Months Ended			Nine Months Ended
	September 29, 2018		September 30, 2017	September 29, 2018	September 30, 2017
Amortization expense	$	8,148	7,421	23,198	26,802