Segment reporting (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Summary of segment information

Segment information is as follows:

	Three Months Ended					Nine Months Ended
	September 30, 2017			October 1, 2016		September 30, 2017		October 1, 2016
Net sales:
Global Ceramic segment	$	893,399		822,040		2,581,038		2,425,560
Flooring NA segment	1,031,773			1,008,553		3,011,568		2,895,610
Flooring ROW segment	523,338			463,546		1,529,587		1,455,351
Intersegment sales	—			—		—		—
	$	2,448,510		2,294,139		7,122,193		6,776,521
Operating income (loss):
Global Ceramic segment	$	143,368		135,985		411,961		376,368
Flooring NA segment	163,494			170,507		383,118		364,804
Flooring ROW segment	83,042			81,757		245,189		262,356
Corporate and intersegment eliminations	(9,806		)	(9,942	)	(29,561	)	(28,857	)
	$	380,098		378,307		1,010,707		974,671

	September 30, 2017		December 31, 2016
Assets:
Global Ceramic segment	$	4,826,619	4,024,859
Flooring NA segment	3,699,633		3,410,856
Flooring ROW segment	3,128,213		2,689,592
Corporate and intersegment eliminations	168,348		105,289
	$	11,822,813	10,230,596