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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2010
Notes To The Financial Statements [Abstract] 
Property, Plant and Equipment

NOTE 10 PROPERTY, PLANT AND EQUIPMENT

 

Property, plant and equipment in service and under construction, and related accumulated depreciation and amortization, as of December 31, 2010 and 2009 were as follows:

 

  Useful Lives        
 December 31,(Years) 2010 2009
 (Dollars in thousands)          
 Land  N/A $26,791  $26,017 
 Buildings  20  317,474   300,285 
 Leasehold and land improvements  1-30  1,042,675   976,828 
 Cell site equipment  6-25  2,619,135   2,394,222 
 Switching equipment  1-8  943,843   862,826 
 Office furniture and equipment  3-5  610,434   549,871 
 Other operating equipment  5-25  323,411   302,643 
 System development  3-7  325,050   258,073 
 Work in process  N/A  131,724   174,197 
      6,340,537   5,844,962 
 Accumulated depreciation and amortization    (3,766,015)  (3,284,102)
     $2,574,522  $2,560,860 

Depreciation and amortization expense totaled $559.0 million, $551.7 million and $558.3 million in 2010, 2009 and 2008, respectively.

 

In 2010, 2009 and 2008, Loss on asset disposals, net included charges of $10.7 million, $16.2 million and $17.4 million, respectively, related to disposals of assets, trade-ins of older assets for replacement assets and other retirements of assets from service.