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Business segment information
 6 Months Ended
Jun. 27, 2014
Business segment information [Abstract]  
Business segment information
(13)Business segment information

Our segments’ net sales and operating profit (loss) excluding severance, impairment and other associated costs, and legal reserve costs were as follows (in thousands):

 
 
Three Months Ended
  
Six Months Ended
 
 
 
June 27, 2014
  
June 28, 2013
  
June 27, 2014
  
June 28, 2013
 
Net sales:
 
  
  
  
 
Network
 
$
42,157
  
$
38,454
  
$
77,099
  
$
74,285
 
Power
  
28,086
   
29,554
   
54,573
   
57,139
 
Wireless
  
23,324
   
20,250
   
43,547
   
41,640
 
Total net sales
 
$
93,567
  
$
88,258
  
$
175,219
  
$
173,064
 
 
                
Operating profit (loss) excluding severance, impairment and other associated costs, and  legal reserve costs:
                
Network
 
$
2,078
  
$
922
  
$
3,009
  
$
2,254
 
Power
  
2,195
   
1,910
   
3,512
   
3,079
 
Wireless
  
(1,562
)
  
(1,090
)
  
(4,206
)
  
(2,584
)
Operating profit (loss) excluding severance, impairment and other associated costs, and legal reserve costs
  
2,711
   
1,742
   
2,315
   
2,749
 
 
                
Severance, impairment and other associated costs
  
976
   
93
   
1,937
   
112
 
Legal reserve
  
11
   
37
   
22
   
75
 
Operating profit
  
1,724
   
1,612
   
356
   
2,562
 
 
                
Interest expense, net
  
(6,361
)
  
(6,774
)
  
(13,479
)
  
(11,888
)
Other income (expense), net
  
318
   
(408
)
  
245
   
(2,940
)
 
                
Loss before income taxes
 
$
(4,319
)
 
$
(5,570
)
 
$
(12,878
)
 
$
(12,266
)