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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
 
Property, plant and equipment at December 31 consisted of:
 
 
 
2014
 
2013
Land
 
$
19,422

 
$
21,935

Buildings
 
145,142

 
154,938

Machinery and equipment
 
507,661

 
509,664

 
 
672,225

 
686,537

Less accumulated depreciation
 
(372,790
)
 
(383,979
)
 
 
$
299,435

 
$
302,558


 
Depreciation expense was $41,875, $34,419 and $34,218 during 2014, 2013 and 2012, respectively.