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Segment and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2014
Segment Reporting [Abstract]  
Information About the Company's Segments
The following table summarizes information about the Company’s segments (in thousands):
 
MVSD
 
SISD
 
Reconciling
Items
 
Consolidated
Year Ended December 31, 2014
 
 
 
 
 
 
 
Product revenue
$
409,017

 
$
42,049

 
 
 
$
451,066

Service revenue
17,432

 
17,772

 
 
 
35,204

Depreciation and amortization
10,580

 
1,138

 
$
749

 
12,467

Goodwill and intangibles
87,059

 
5,329

 

 
92,388

Operating income
156,552

 
15,598

 
(28,487
)
 
143,663

Year Ended December 31, 2013
 
 
 
 
 
 
 
Product revenue
$
298,186

 
$
28,600

 
 
 
$
326,786

Service revenue
9,465

 
17,635

 
 
 
27,100

Depreciation and amortization
9,569

 
1,078

 
$
455

 
11,102

Goodwill and intangibles
90,718

 
5,694

 

 
96,412

Operating income
99,383

 
8,990

 
(22,005
)
 
86,368

Year Ended December 31, 2012
 
 
 
 
 
 
 
Product revenue
$
263,308

 
$
32,280

 
 
 
$
295,588

Service revenue
10,388

 
18,303

 
 
 
28,691

Depreciation and amortization
9,505

 
963

 
$
390

 
10,858

Goodwill and intangibles
90,390

 
6,069

 

 
96,459

Operating income
89,378

 
11,941

 
(17,912
)
 
83,407

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas
The following table summarizes information about geographic areas (in thousands):
 
United States
 
Europe
 
Japan
 
Other
 
Total
Year Ended December 31, 2014
 
 
 
 
 
 
 
 
 
Product revenue
$
132,298

 
$
192,463

 
$
38,952

 
$
87,353

 
$
451,066

Service revenue
15,143

 
12,536

 
4,434

 
3,091

 
35,204

Long-lived assets
118,991

 
11,385

 
1,551

 
9,904

 
141,831

Year Ended December 31, 2013
 
 
 
 
 
 
 
 
 
Product revenue
$
103,610

 
$
104,497

 
$
33,763

 
$
84,916

 
$
326,786

Service revenue
13,505

 
6,012

 
4,103

 
3,480

 
27,100

Long-lived assets
118,619

 
5,059

 
1,732

 
10,276

 
135,686

Year Ended December 31, 2012
 
 
 
 
 
 
 
 
 
Product revenue
$
87,877

 
$
95,376

 
$
38,151

 
$
74,184

 
$
295,588

Service revenue
13,248

 
6,083

 
5,043

 
4,317

 
28,691

Long-lived assets
120,596

 
4,939

 
2,229

 
6,342

 
134,106