Business Segments (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Summary of Net Sales and Results of Operations and Total Assets by Reportable Segment

(Dollars in thousands)	Net Sales						Income from Operations
	2019		2018		2017		2019			2018		2017
North America	$	704,320	$	800,383	$	732,418	$	16,713		$	29,702	$	9,808
Europe		668,167		701,444		375,637		(66,772	)		56,103		11,710
	$	1,372,487	$	1,501,827	$	1,108,055	$	(50,059	)	$	85,805	$	21,518

(Dollars in thousands)	Depreciation and Amortization						Capital Expenditures
	2019		2018		2017		2019		2018		2017
North America	$	38,845	$	33,588	$	35,931	$	22,464	$	37,476	$	47,493
Europe		61,877		61,468		33,404		41,830		40,221		23,444
	$	100,722	$	95,056	$	69,335	$	64,294	$	77,697	$	70,937

(Dollars in thousands)
	Property, Plant, and Equipment, net				Goodwill and Intangible Assets
	2019		2018		2019		2018
North America	$	237,372	$	249,791	$	—	$	—
Europe		291,910		282,976		321,910		459,803
	$	529,282	$	532,767	$	321,910	$	459,803

(Dollars in thousands)	Total Assets
	2019		2018
North America	$	484,689	$	484,682
Europe		827,178		966,934
	$	1,311,867	$	1,451,616

Net Sales by Geographic Location

Net sales by geographic location:

Year Ended December 31,	2019		2018		2017
(Dollars in thousands)
Net sales:
U.S.	$	104,476	$	127,178	$	124,711
Mexico		599,844		673,205		607,707
Germany		245,805		279,631		155,227
Poland		422,362		421,813		220,410
Consolidated net sales	$	1,372,487	$	1,501,827	$	1,108,055