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Property, Plant and Equipment, net
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, net
Property, Plant and Equipment, net
The components of property, plant and equipment, net are as follows:
 
  
 
December 31,
(in millions)
 
2012
 
2011
Land and land improvements
 
$
11.3

 
$
13.8

Buildings
 
95.0

 
91.0

Machinery and equipment
 
791.3

 
827.7

Capital leases
 
2.0

 

 
 
899.6

 
932.5

Less accumulated depreciation
 
748.0

 
754.6

 
 
151.6

 
177.9

Construction in process
 
5.4

 
11.5

Property, plant and equipment, net
 
$
157.0

 
$
189.4


Depreciation expense associated with property, plant and equipment was $36.3 million, $40.5 million and $39.3 million for the years ended December 31, 2012, 2011 and 2010, respectively.