v2.4.0.6
Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2011
Property and Equipment, Net [Abstract]  
Summary of property and equipment

A summary of property and equipment as of December 31 is as follows:

 

                 
    2011     2010  

Other land

  $ 375.1     $ 391.9  

Non-depletable landfill land

    161.8       158.0  

Landfill development costs

    4,763.3       4,575.2  

Vehicles and equipment

    4,515.1       4,142.1  

Buildings and improvements

    802.8       768.5  

Construction-in-progress-landfill

    187.3       133.2  

Construction-in-progress-other

    47.3       27.2  
   

 

 

   

 

 

 
      10,852.7       10,196.1  
   

 

 

   

 

 

 

Less: Accumulated depreciation, depletion and amortization:

               

Landfill development costs

    (1,735.7     (1,504.6

Vehicles and equipment

    (2,119.1     (1,820.6

Buildings and improvements

    (205.6     (172.4
   

 

 

   

 

 

 
      (4,060.4     (3,497.6
   

 

 

   

 

 

 

Property and equipment, net

  $ 6,792.3     $ 6,698.5