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Property, Plant and Equipment
8 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
6. PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment as of December 31, 2014, April 30, 2014 and April 30, 2013 consists of the following:

 

     December 31,
2014
     April 30,  
        2014      2013  

Land

   $ 21,671       $ 21,445       $ 20,722   

Landfills

     513,851         496,515         475,855   

Landfill operating lease contracts

     120,607         115,867         109,363   

Buildings and improvements

     139,461         134,787         133,330   

Machinery and equipment

     127,359         117,193         120,314   

Rolling stock

     138,201         128,155         128,038   

Containers

     90,231         85,397         80,447   
  

 

 

    

 

 

    

 

 

 
  1,151,381      1,099,359      1,068,069   

Less: accumulated depreciation and amortization

  736,839      695,935      645,567   
  

 

 

    

 

 

    

 

 

 
$ 414,542    $ 403,424    $ 422,502   
  

 

 

    

 

 

    

 

 

 

Depreciation expense for transition period 2014, fiscal year 2014, fiscal year 2013 and fiscal year 2012 was $21,599, $33,094, $34,065 and $37,829, respectively. Landfill amortization expense for transition period 2014, fiscal year 2014, fiscal year 2013 and 2012 was $17,912, $24,689, $21,206 and $19,957, respectively. Depletion expense on landfill operating lease contracts for transition period 2014, fiscal year 2014, fiscal year 2013 and fiscal year 2012 was $7,799, $9,948, $9,372 and $8,482, respectively, and was recorded in cost of operations.