Segment information (Tables)

6 Months Ended

Jul. 01, 2018

Segment Reporting [Abstract]

Segment Results

The following tables present the Company’s segment results for the three and six months ended July 1, 2018 and July 2, 2017:

	Three Months Ended				Six Months Ended
	July 1, 2018		July 2, 2017		July 1, 2018		July 2, 2017
	(Dollars in thousands)
Vascular North America	$	80,062	$	78,796	$	163,110	$	157,807
Interventional North America	64,956		58,337		125,152		98,283
Anesthesia North America	50,490		49,081		101,055		97,288
Surgical North America	40,708		44,716		81,385		90,660
EMEA	153,415		138,469		313,285		272,043
Asia	72,413		65,998		130,657		116,166
OEM	52,594		45,132		98,448		88,478
All other	95,228		48,084		184,004		95,769
Net revenues	$	609,866	$	528,613	$	1,197,096	$	1,016,494

	Three Months Ended						Six Months Ended
	July 1, 2018			July 2, 2017			July 1, 2018			July 2, 2017
	(Dollars in thousands)						(Dollars in thousands)
Vascular North America	$	24,636		$	18,472		$	49,298		$	36,762
Interventional North America	16,510			8,815			30,630			780
Anesthesia North America	14,716			20,056			32,049			33,360
Surgical North America	17,055			17,287			31,803			33,667
EMEA	26,535			23,594			58,305			44,904
Asia	20,746			18,941			34,114			29,825
OEM	13,552			10,337			22,568			19,458
All other	(25,602		)	9,017			(37,575		)	18,344
Total segment operating profit (1)	108,148			126,519			221,192			217,100
Unallocated expenses (2)	(74,658		)	(16,317		)	(100,859		)	(46,079		)
Income from continuing operations before interest, loss on extinguishment of debt and taxes	$	33,490		$	110,202		$	120,333		$	171,021

(1) Segment operating profit includes segment net revenues from external customers reduced by the segment's standard cost of goods sold, adjusted for fixed manufacturing cost absorption variances, selling, general and administrative expenses, research and development expenses and an allocation of corporate expenses. Corporate expenses are allocated among the segments in proportion to the respective amounts of one of several items (such as net revenues, numbers of employees, and amount of time spent), depending on the category of expense involved.

(2) Unallocated expenses primarily include manufacturing variances other than fixed manufacturing cost absorption variances, restructuring charges and gain on sale of assets.

Schedule Of Revenues By Geographic Region Table

The following table provides total net revenues by geographic region (based on the Company's selling location) for the three and six months ended July 1, 2018 and July 2, 2017:

	Three Months Ended				Six Months Ended
	July 1, 2018		July 2, 2017		July 1, 2018		July 2, 2017
	(Dollars in thousands)
United States	$	356,468	$	310,124	$	700,825	$	596,438
Europe	168,879		144,393		340,200		285,415
Asia	60,488		53,901		110,043		96,905
All other	24,031		20,195		46,028		37,736
Net revenues	$	609,866	$	528,613	$	1,197,096	$	1,016,494