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Other intangible assets, net
 12 Months Ended
Dec. 31, 2012
Other intangible assets, net [Abstract]  
Other intangible assets, net [Text Block]
(6)
Other intangible assets, net
 
 
 
Cost
  
Accum. amort.
  
Net book value
 
 
 
(in thousands)
 
Assets subject to amortization:
 
  
  
 
Customer related intangibles
 
$
1,022,134
  
$
(302,156
)
 
$
719,978
 
Unpatented technology
  
193,915
   
(72,358
)
  
121,557
 
Software
  
49,395
   
(35,833
)
  
13,562
 
Patents and other protective rights
  
25,398
   
(17,699
)
  
7,699
 
Trade secrets
  
1,500
   
(1,361
)
  
139
 
Assets not subject to amortization:
            
Trade names
  
231,207
   
-
   
231,207
 
Balances at December 31, 2011
 
$
1,523,549
  
$
(429,407
)
 
$
1,094,142
 
 
            
 
            
Assets subject to amortization:
            
Customer related intangibles
 
$
1,509,339
  
$
(379,535
)
 
$
1,129,804
 
Unpatented technology
  
198,609
   
(97,487
)
  
101,122
 
Software
  
160,520
   
(44,256
)
  
116,264
 
Patents and other protective rights
  
40,399
   
(20,312
)
  
20,087
 
Trade secrets
  
1,500
   
(1,500
)
  
-
 
Assets not subject to amortization:
            
Trade names
  
331,590
   
-
   
331,590
 
Balances at December 31, 2012
 
$
2,241,957
  
$
(543,090
)
 
$
1,698,867
 

Amortization expense of other intangible assets was $113 million, $98 million, and $84 million during the years ended December 31, 2012, 2011 and 2010, respectively. Amortization expense is expected to be $136 million in 2013, $127 million in 2014, $113 million in 2015, $111 million in 2016 and $101 million in 2017.