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Segment Reporting (Tables)
 6 Months Ended
Jul. 31, 2017
Segment Reporting [Abstract]  
Company's Revenue by Geographic Region Based on Bill-to Location

The following table sets forth the Company’s revenue by geographic region based on bill-to location for the periods indicated. Prior period revenue amounts by geographic region have been reclassified to conform to the fiscal year 2018 presentation. These reclassifications did not impact total revenues in the prior periods.

 

 

 

Three Months Ended July 31,

 

 

Six Months Ended July 31,

 

 

 

2017

 

 

2016

 

 

2017

 

 

2016

 

 

 

(in thousands)

 

Taiwan

 

$

48,052

 

 

$

46,803

 

 

$

94,468

 

 

$

88,905

 

Asia Pacific

 

 

12,291

 

 

 

11,577

 

 

 

24,050

 

 

 

19,163

 

Europe

 

 

6,444

 

 

 

3,282

 

 

 

8,344

 

 

 

8,634

 

North America other than United States

 

 

2,979

 

 

 

1,095

 

 

 

4,984

 

 

 

1,365

 

United States

 

 

1,864

 

 

 

2,385

 

 

 

3,919

 

 

 

4,232

 

Total revenue

 

$

71,630

 

 

$

65,142

 

 

$

135,765

 

 

$

122,299