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Note 3 - Properties, Plants, Equipment and Mineral Interests, and Lease Commitments
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment Disclosure [Text Block]
Note 3: Properties, Plants, Equipment and Mineral Interests, and Lease Commitments

Properties, Plants, Equipment and Mineral Interests

Our major components of properties, plants, equipment, and mineral interests are (in thousands):

   
December 31,
 
   
2012
   
2011
 
Mining properties, including asset retirement obligations
  $ 294,573     $ 286,873  
Development costs
    151,504       123,772  
Plants and equipment
    419,377       383,045  
Land
    15,788       11,188  
Mineral interests
    375,028       383,491  
Construction in progress
    176,925       125,045  
      1,433,195       1,313,414  
Less accumulated depreciation, depletion and amortization
    436,536       390,202  
Net carrying value
  $ 996,659     $ 923,212  

During 2012, we incurred total capital expenditures, excluding additions acquired under capital leases and adjustments to asset retirement obligations, of approximately $116.8 million, which included $54.7 million at the Lucky Friday unit, and $50.4 million at the Greens Creek unit. During 2011 we had capital expenditures of $33.8 million related to the  acquisition of the remaining 30% interest in the San Juan Silver project (see Note 16 for more information) .

Capital Leases

During 2012 and 2011 we entered into lease agreements for equipment at our Greens Creek and Lucky Friday units which we have determined to be capital leases.  As of December 31, 2012 and 2011, we have recorded $28.9 million and $15.8 million, respectively, for the gross amount of assets acquired under the capital leases and $5.3 million and $5.7 million, respectively, in accumulated depreciation, classified as plants and equipment in Properties, plants, equipment and mineral interests.  See Note 6 for information on future obligations related to our capital leases.

Operating Leases

We enter into operating leases during the normal course of business. During the years ended December 31, 2012, 2011 and 2010, we incurred expenses of $3.1 million, $3.0 million and $3.0 million, respectively, for these leases. At December 31, 2012, future obligations under our non-cancelable operating leases were as follows (in thousands):

 
Year ending December 31,
       
 
2013
  $ 3,087    
 
2014
    3,114    
 
2015
    1,434    
 
2016
    1,438    
 
2017
    1,056    
 
Thereafter
    3,848    
 
Total
  $ 13,977