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Industry Segment, Geographic Information and Significant Customers (Tables)
3 Months Ended
Mar. 28, 2015
Segment Reporting [Abstract]  
Segment Information about Revenue, Cost of Revenue, Gross Margin and Income before Income Taxes
The table below presents segment information about revenue, cost of revenue, gross margin and income before income taxes:
 
 
Three Months Ended
 
(In thousands)
 
March 28, 2015
 
March 29, 2014
Revenue:
 
 
 
Home Robots
$
111,085

 
$
108,035

Defense & Security
6,526

 
5,602

Other (1)
350

 
567

Total revenue
117,961

 
114,204

Cost of revenue:

 
 
Home Robots
54,282

 
53,595

Defense & Security
4,358

 
3,518

Other (2)
5,613

 
5,381

Total cost of revenue
64,253

 
62,494

Gross margin:

 
 
Home Robots
56,803

 
54,440

Defense & Security
2,168

 
2,084

Other
(5,263
)
 
(4,814
)
Total gross margin
53,708

 
51,710

Research and development
19,032

 
16,934

Selling and marketing
14,188

 
14,532

General and administrative
12,589

 
12,264

Other income (expense), net
(794
)
 
(187
)
Income before income taxes
$
7,105

 
$
7,793



(1)
Other revenue results from other smaller business units that do not meet the criteria of a reportable segment.

(2)
Other cost of revenue results from other smaller business units that do not meet the criteria of a reportable segment, as well as other operational costs not directly attributable to the home robots or defense and security reportable segments.