SEGMENT INFORMATION (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of segment reporting information

The tables below present unaudited information about the sales and operating income of those segments.

Third Quarter Ended September 30, 2018
(thousands)	Manufacturing		Distribution		Total
Net outside sales	$	445,214	$	129,925	$	575,139
Intersegment sales	8,182		1,097		9,279
Total sales	453,396		131,022		584,418
Operating income	54,887		7,606		62,493

Third Quarter Ended September 24, 2017
(thousands)	Manufacturing		Distribution		Total
Net outside sales	$	337,542	$	69,969	$	407,511
Intersegment sales	7,530		562		8,092
Total sales	345,072		70,531		415,603
Operating income	37,916		4,198		42,114

Nine Months Ended September 30, 2018
(thousands)	Manufacturing		Distribution		Total
Net outside sales	$	1,344,088	$	387,762	$	1,731,850
Intersegment sales	27,464		2,840		30,304
Total sales	1,371,552		390,602		1,762,154
Operating income	172,799		25,092		197,891

Nine Months Ended September 24, 2017
(thousands)	Manufacturing		Distribution		Total
Net outside sales	$	958,785	$	201,298	$	1,160,083
Intersegment sales	21,935		1,814		23,749
Total sales	980,720		203,112		1,183,832
Operating income	110,176		12,376		122,552

Summary of the reconciliation of segment operations

The following table presents a reconciliation of segment operating income to consolidated operating income:

	Third Quarter Ended						Nine Months Ended
(thousands)	September 30, 2018			September 24, 2017			September 30, 2018			September 24, 2017
Operating income for reportable segments	$	62,493		$	42,114		$	197,891		$	122,552
Unallocated corporate expenses	(8,911		)	(6,703		)	(33,229		)	(20,517		)
Amortization	(8,873		)	(5,237		)	(25,140		)	(14,239		)
Consolidated operating income	$	44,709		$	30,174		$	139,522		$	87,796