v2.4.0.6
Landfill and Environmental Costs (Tables)
 12 Months Ended
Dec. 31, 2011
Landfill and Environmental Costs [Abstract]  
Summary of landfill and environmental liabilities

A summary of our landfill and environmental liabilities as of December 31 is as follows:

 

                 
    2011     2010  

Landfill final capping, closure and post-closure liabilities

   $ 1,037.0     $ 1,046.5  

Remediation

     543.7       552.1  
   

 

 

    

 

 

  
      1,580.7       1,598.6  

Less: Current portion

     (184.2 )      (182.0 ) 
   

 

 

    

 

 

  

Long-term portion

   $ 1,396.5     $ 1,416.6  
   

 

 

    

 

 

  
Activity in asset retirement obligation liabilities, which includes liabilities for final capping, closure and post-closure

The following table summarizes the activity in our asset retirement obligation liabilities, which include liabilities for final capping, closure and post-closure, for the years ended December 31:

 

                         
    2011     2010     2009  

Asset retirement obligation liabilities, beginning of year

   $ 1,046.5     $ 1,074.5     $ 1,040.6  

Non-cash additions

     33.9       31.4       32.5  

Acquisitions and other adjustments

     15.8       (3.0 )      72.3  

Asset retirement obligation adjustments

     (31.5 )      (27.9 )      (57.4 ) 

Payments

     (105.7 )      (111.3 )      (100.9 ) 

Accretion expense

     78.0       80.5       88.8  

Adjustments to liabilities related to assets held for sale

     -       2.3       (1.4 ) 
   

 

 

    

 

 

    

 

 

  

Asset retirement obligation liabilities, end of period

     1,037.0       1,046.5       1,074.5  

Less: Current portion

     (85.2 )      (93.9 )      (137.5 ) 
   

 

 

    

 

 

    

 

 

  

Long-term portion

   $           951.8     $           952.6     $           937.0  
   

 

 

    

 

 

    

 

 

  
Summary of expected future payments for final capping, closure and post-closure

The expected future payments for final capping, closure and post-closure as of December 31, 2011 are as follows:

 

         

2012

   $ 85.2  

2013

     111.0  

2014

     97.0  

2015

     98.7  

2016

     94.3  

Thereafter

     4,628.9  
   

 

 

  
    $   5,115.1  
   

 

 

  
Activity in environmental remediation liabilities

The following table summarizes the activity in our environmental remediation liabilities for the years ended December 31:

 

                         
    2011     2010     2009  

Remediation liabilities, beginning of year

   $ 552.1     $ 554.1     $ 389.9  

Acquisitions and other adjustments

     -       1.5       181.9  

Additions charged to expense

     3.6       17.9       4.9  

Payments

     (45.0 )      (50.5 )      (56.2 ) 

Accretion expense (non-cash interest expense)

     33.0       29.1       33.6  
   

 

 

    

 

 

    

 

 

  

Remediation liabilities, end of period

     543.7       552.1       554.1  

Less: Current portion

     (99.0 )      (88.1 )      (107.9 ) 
   

 

 

    

 

 

    

 

 

  

Long-term portion

   $ 444.7     $ 464.0     $ 446.2  
   

 

 

    

 

 

    

 

 

  
Summary of expected undiscounted future payments for remediation costs

The expected undiscounted future payments for remediation costs as of December 31, 2011 are as follows:

 

         

2012

   $ 99.0  

2013

     64.3  

2014

     45.7  

2015

     37.7  

2016

     32.6  

Thereafter

     458.7  
   

 

 

  
    $ 738.0