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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 as of December 31, 2014 and 2013 consisted of the following:
 
December 31
 
2014
 
2013
 
(In thousands)
Land
$
174,654

 
$
181,026

Buildings
646,098

 
609,907

Leasehold improvements
76,389

 
75,925

Machinery and equipment
1,809,037

 
1,704,160

Construction in progress
34,587

 
56,069

 
2,740,765

 
2,627,087

Less accumulated depreciation
(1,568,169
)
 
(1,411,040
)
Total
$
1,172,596

 
$
1,216,047


Depreciation expense amounted to $156.5 million, $161.8 million and $168.4 million during the years ended December 31, 2014, 2013 and 2012, respectively.
There was no material interest capitalized during the years ended December 31, 2014 and 2013.
See Note 17 for information regarding plant, property and equipment write-downs incurred in conjunction with our restructuring plans and certain other events.