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Property, Plant and Equipment, net
3 Months Ended
Mar. 31, 2013
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: 
(in millions)
March 31, 2013
 
December 31, 2012
Land and land improvements
$
11.4

 
$
11.3

Buildings
95.1

 
95.0

Machinery and equipment
795.7

 
791.3

Capital leases
1.9

 
2.0

 
904.1

 
899.6

Less accumulated depreciation
756.0

 
748.0

 
148.1

 
151.6

Construction in process
3.3

 
5.4

Property, plant and equipment, net
$
151.4

 
$
157.0


Depreciation expense associated with property, plant and equipment was $9.3 and $9.6 million for the three months ended March 31, 2013, and 2012, respectively.