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Goodwill
 12 Months Ended
Dec. 31, 2011
Goodwill [Abstract]  
Goodwill [Text Block]
(5)  
Goodwill

   
Industrial Technology
 
Energy Systems and Controls
 
Medical and Scientific Imaging
 
RF Technology
 
Total
 
   
 (in thousands)
 
Balances at December 31, 2009
 
$
431,073
 
$
383,207
 
$
623,786
 
$
950,366
 
$
2,388,432
 
Goodwill acquired
   
-
   
-
   
8,593
   
341,243
   
349,836
 
Currency translation adjustments
   
(11,071
)
 
(2,554
)
 
804
   
(2,657
)
 
(15,478
)
Reclassifications and other
   
-
   
(58
)
 
4,808
   
240
   
4,990
 
Balances at December 31, 2010
 
$
420,002
 
$
380,595
 
$
637,991
 
$
1,289,192
 
$
2,727,780
 
Goodwill acquired
   
-
   
13,663
   
135,379
   
-
   
149,042
 
Currency translation adjustments
   
(949
)
 
(291
)
 
(5,142
)
 
1,258
   
(5,124
)
Reclassifications and other
   
-
   
-
   
-
   
(5,272
)
 
(5,272
)
Balances at December 31, 2011
 
$
419,053
 
$
393,967
 
$
768,228
 
$
1,285,178
 
$
2,866,426
 

Goodwill acquired during the year ended December 31, 2011 was attributable to the acquisitions of Northern Digital, UCG and Trinity. The reclassifications and other are due to working capital and final purchase accounting tax adjustments related to iTrade, which was acquired in 2010.