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Inventory, net
12 Months Ended
Dec. 31, 2013
Inventory, net  
Inventory, net

3.  Inventory, net

 

Inventory, net of reserves, consisted of the following amounts (in thousands):

 

 

 

December 31,

 

 

 

2013

 

2012

 

Parts and supplies

 

$

233,216

 

$

231,357

 

Work in progress

 

139,763

 

120,930

 

Finished goods

 

40,948

 

34,043

 

Inventory, net

 

$

413,927

 

$

386,330

 

 

During 2013, 2012 and 2011, we recorded $4.5 million, $1.0 million and $5.0 million, respectively, in inventory write-downs and reserves for inventory, which were either obsolete, excess or carried at a price above market value. As of December 31, 2013 and 2012, we had inventory reserves of $14.1 million and $11.7 million, respectively.