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Segment, Geographic Information and Major Customers
 12 Months Ended
Jun. 30, 2019
Segment Reporting [Abstract]  
Segment, Geographic Information and Major Customers Segment, Geographic Information, and Major Customers
The Company operates in one reportable business segment: manufacturing and servicing of wafer processing semiconductor manufacturing equipment. The Company’s material operating segments qualify for aggregation due to their customer base and similarities in economic characteristics, nature of products and services, and processes for procurement, manufacturing, and distribution.
The Company operates in seven geographic regions: United States, China, Europe, Japan, Korea, Southeast Asia, and Taiwan. For geographical reporting, revenue is attributed to the geographic location in which the customers’ facilities are located, while long-lived assets are attributed to the geographic locations in which the assets are located.
Revenues and long-lived assets by geographic region were as follows: 
 
Year Ended
June 30,
2019
 
June 24,
2018
 
June 25,
2017
Revenue:
(in thousands)
Korea
$
2,205,348

 
$
3,832,798

 
$
2,480,329

China
2,161,440

 
1,784,436

 
1,023,195

Japan
1,969,869

 
1,882,799

 
1,041,969

Taiwan
1,596,261

 
1,397,978

 
2,095,669

United States
748,601

 
820,438

 
629,937

Southeast Asia
615,813

 
781,360

 
401,877

Europe
356,227

 
577,189

 
340,644

Total revenue
$
9,653,559

 
$
11,076,998

 
$
8,013,620

 
 
June 30,
2019
 
June 24,
2018
 
June 25,
2017
Long-lived assets:
(in thousands)
United States
$
933,054

 
$
784,469

 
$
575,264

Europe
72,928

 
73,336

 
77,211

Korea
28,200

 
24,312

 
19,982

China
6,844

 
5,466

 
1,906

Taiwan
6,759

 
7,922

 
7,970

Japan
5,750

 
3,327

 
1,083

Southeast Asia
5,542

 
3,715

 
2,179

 
$
1,059,077

 
$
902,547

 
$
685,595


In fiscal year 2019, four customers accounted for approximately 15%, 14%, 14%, and 14% of total revenues, respectively. In fiscal year 2018, five customers accounted for approximately 25%, 14%, 14%, 13%, and 12% of total revenues, respectively. In fiscal year 2017, five customers accounted for approximately 23%, 16%, 12%, 11%, and 10% of total revenues, respectively. No other customers accounted for more than 10% of total revenues.