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Property, Plant And Equipment
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant And Equipment
Property, Plant and Equipment
Following is a summary of property, plant and equipment:
 
December 31,
2014
 
December 31,
2013
Land
$
294,553

 
325,976

Buildings and improvements
977,411

 
1,059,136

Machinery and equipment
3,324,657

 
3,166,457

Furniture and fixtures
121,147

 
115,954

Leasehold improvements
63,985

 
60,289

Construction in progress
348,460

 
222,337

 
5,130,213

 
4,950,149

Less accumulated depreciation and amortization
2,427,003

 
2,248,406

Net property, plant and equipment
$
2,703,210

 
2,701,743


Additions to property, plant and equipment included capitalized interest of $9,202, $8,167 and $4,577 in 2014, 2013 and 2012, respectively. Depreciation expense was $315,840, $276,432 and $217,393 for 2014, 2013 and 2012, respectively. Included in the property, plant and equipment are capital leases with a cost of $5,477 and $7,207 and accumulated depreciation of $5,313 and $5,817 as of December 31, 2014 and 2013, respectively.