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Other intangible assets, net
12 Months Ended
Dec. 31, 2011
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
 
$
960,013
 
$
(235,885
)
$
724,128
 
Unpatented technology
   
175,819
   
(54,376
)
 
121,443
 
Software
   
49,095
   
(30,182
)
 
18,913
 
Patents and other protective rights
   
25,505
   
(15,292
)
 
10,213
 
Trade secrets
   
1,604
   
(1,174
)
 
430
 
Assets not subject to amortization:
                   
Trade names
   
229,386
   
-
   
229,386
 
Balances at December 31, 2010
 
$
1,441,422
 
$
(336,909
)
$
1,104,513
 
                     
                     
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
 

Amortization expense of other intangible assets was $97.9 million, $83.7 million, and $66.8 million during the years ended 2011, 2010 and 2009, respectively. Amortization expense is expected to be $93.3 million in 2012, $90.3 million in 2013, $82.6 million in 2014, $68.8 million in 2015 and $66.0 million in 2016.