Segment reporting (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Summary of segment information

Segment information is as follows:

	Three Months Ended
	March 31, 2018			April 1, 2017
Net sales:
Global Ceramic segment	$	876,548		784,969
Flooring NA segment	950,358			939,496
Flooring ROW segment	585,296			496,180
Intersegment sales	—			—
	$	2,412,202		2,220,645
Operating income (loss):
Global Ceramic segment	$	113,417		116,036
Flooring NA segment	74,748			92,142
Flooring ROW segment	89,060			76,095
Corporate and intersegment eliminations	(8,826		)	(9,489	)
	$	268,399		274,784

	March 31, 2018		December 31, 2017
Assets:
Global Ceramic segment	$	5,029,225	4,838,310
Flooring NA segment	3,847,555		3,702,137
Flooring ROW segment	3,410,958		3,245,424
Corporate and intersegment eliminations	272,634		308,982
	$	12,560,372	12,094,853