Property, Plant and Equipment, net (Tables)
12 Months Ended
Dec. 27, 2014
Property, Plant and Equipment [Abstract]  
Components of Property, Plant and Equipment

Property, plant and equipment, net consisted of the following as of December 27, 2014 and December 28, 2013:

 

     2014      2013  

Land (mineral bearing) and asset retirement costs

   $ 129,957       $ 107,007   

Land (non-mineral bearing)

     112,932         81,331   

Buildings and improvements

     86,702         77,535   

Plants, machinery and equipment

     622,466         553,113   

Mobile equipment and barges

     182,334         117,828   

Office equipment

     14,087         10,001   

Truck and auto fleet

     22,821         19,165   

Landfill airspace and improvements

     48,513         46,841   

Construction in progress

     8,445         29,560   

Other

     1,719         1,779   
  

 

 

    

 

 

 

Property, plant and equipment

  1,229,976      1,044,160   

Less accumulated depreciation, depletion and amortization

  (279,375   (212,382
  

 

 

    

 

 

 

Property, plant and equipment, net

$ 950,601    $ 831,778