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Property, Plant And Equipment
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant And Equipment
Property, Plant and Equipment
Property, plant and equipment consisted of the following (in millions):
 
Dec 31, 2012
 
Dec 31, 2011
Land
$
124.8

 
$
107.3

Buildings and leasehold improvements
375.3

 
302.2

Machinery, equipment and office furnishings
1,257.1

 
1,051.3

Construction in progress
77.5

 
94.2

Total — gross book value
1,834.7

 
1,555.0

Less accumulated depreciation
(640.8
)
 
(536.5
)
Total — net book value
$
1,193.9

 
$
1,018.5


Depreciation expense totaled $102.5 million, $97.6 million and $85.1 million for the years ended December 31, 2012, 2011 and 2010, respectively.
Capital leases included within property, plant and equipment on the balance sheet were $10.9 million at December 31, 2012 and $7.8 million at December 31, 2011. Accumulated depreciation on capital leases was $3.7 million at December 31, 2012 and $2.6 million at December 31, 2011.