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Segment Information (Tables)
3 Months Ended
Apr. 05, 2015
Segment Reporting [Abstract]  
Information About Segments
The following table summarizes information about the segments (in thousands):
Three-months Ended April 5, 2015
MVSD
 
SISD
 
Reconciling Items
 
Consolidated
Product revenue
$
97,494

 
$
8,281

 
$

 
$
105,775

Service revenue
3,879

 
3,780

 

 
7,659

Operating income
33,307

 
1,896

 
(11,286
)
 
23,917

 
Three-months Ended March 30, 2014
MVSD
 
SISD
 
Reconciling Items
 
Consolidated
Product revenue
$
77,618

 
$
5,951

 
$

 
$
83,569

Service revenue
3,698

 
3,662

 

 
7,360

Operating income
28,292

 
1,013

 
(6,862
)
 
22,443