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Foreign Operations
12 Months Ended
Dec. 31, 2018
Segment Reporting [Abstract]  
Foreign Operations
Foreign Operations
Our net sales to external customers by geographic area were as follows: 
 
Year Ended December 31,
(In thousands)
2018
 
2017
 
2016
United States
$
315,214

 
$
345,838

 
$
338,338

Asia (excluding PRC)
124,657

 
104,668

 
89,527

People’s Republic of China
91,446

 
83,036

 
77,224

Europe
85,228

 
79,183

 
74,113

Latin America
30,954

 
54,113

 
47,286

Other
32,742

 
28,952

 
24,883

Total net sales
$
680,241

 
$
695,790

 
$
651,371


Specific identification of the customer billing location was the basis used for attributing revenues from external customers to geographic areas.
Long-lived tangible assets by geographic area were as follows: 
 
December 31,
(In thousands)
2018
 
2017
United States
$
14,504

 
$
14,674

People's Republic of China
79,382

 
96,984

All other countries
6,569

 
3,870

Total long-lived tangible assets
$
100,455

 
$
115,528