Business segments and other information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Business segments and other information

The following tables present our segment results for the years ended December 31, 2019, 2018 and 2017:

	Year Ended December 31,
	2019		2018		2017
	(Dollars in thousands)
Americas	$	1,492,274	$	1,351,699	$	1,141,406
EMEA	588,043		603,813		552,722
Asia	294,328		286,895		269,208
OEM	220,717		205,976		182,967
Net revenues	$	2,595,362	$	2,448,383	$	2,146,303

	Year Ended December 31,
	2019		2018		2017
	(Dollars in thousands)
Americas	$	319,933	$	255,798	$	240,982
EMEA	94,424		106,090		92,430
Asia	73,090		78,135		75,637
OEM	57,994		50,294		41,578
Total segment operating profit (1)	545,441		490,317		450,627
Unallocated expenses (2)	(118,187)		(168,613)		(78,348)
Income from continuing operations before interest, loss on extinguishment of debt and taxes	$	427,254	$	321,704	$	372,279

(1) Segment operating profit includes segment net revenues from external customers reduced by its 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 sales, numbers of employees, and amount of time spent), depending on the category of expense involved.

(2) Unallocated expenses primarily include manufacturing variances, with the exception of fixed manufacturing cost absorption variances, restructuring and impairment charges and gain on sale of assets.

	Year Ended December 31,
	2019		2018		2017
	(Dollars in thousands)
Americas	$	153,419	$	146,016	$	105,811
EMEA	44,328		47,171		34,322
Asia	14,072		12,917		11,868
OEM	6,550		8,610		8,337
Consolidated depreciation and amortization	$	218,369	$	214,714	$	160,338

Total Net Revenues and Total Net Property, Plant and Equipment by Geographic Region

The following tables provide total net revenues and total net property, plant and equipment by geographic region for the years ended December 31, 2019, 2018 and 2017:

	Year Ended December 31,
	2019		2018		2017
	(Dollars in thousands)
Net revenues (based on selling location):
U.S.	$	1,606,248	$	1,449,426	$	1,254,825
Europe	652,069		671,264		591,370
Asia Pacific	241,278		234,090		220,110
All other	95,767		93,603		79,998
	$	2,595,362	$	2,448,383	$	2,146,303
Net property, plant and equipment:
U.S.	$	228,173	$	258,415	$	216,568
Malaysia	53,406		51,952		43,730
Ireland	40,151		41,223		43,867
All other	108,989		81,176		78,834
	$	430,719	$	432,766	$	382,999