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Property Plant and Equipment, net
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment, Net
PROPERTY, PLANT AND EQUIPMENT, NET

Property, plant and equipment, net is summarized as follows:
 
 
At December 31,
 
 
2014
 
2013
In thousands
 
 
 
 
Land
 
$
12,873

 
$
12,357

Buildings
 
79,477

 
70,992

Leasehold improvements
 
17,341

 
16,480

Machinery, office furniture and equipment
 
216,527

 
182,897

Construction in process
 
5,436

 
33,064

Total
 
331,654

 
315,790

Less accumulated depreciation
 
(183,829
)
 
(167,282
)
Property, plant and equipment, net
 
$
147,825

 
$
148,508



Depreciation expense was $23.8 million, $20.8 million and $18.8 million for 2014, 2013 and 2012, respectively. Included in machinery, office furniture and equipment and construction in process is $1.5 million of assets purchased under the Company's master leasing agreement with PNC and accounted for as capital leases. These leases have not yet commenced as of December 31, 2014. See Note 16, Commitments and Contingencies, for a discussion on the master leasing agreement.