5. Inventory, net

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



	September 30, 2015		December 31, 2014
Parts and supplies	$	255,008	$	269,370
Work in progress	77,933		100,499
Finished goods	46,657		33,702
Inventory, net	$	379,598	$	403,571

As of September 30, 2015 and December 31, 2014, we had inventory reserves of $31.8 million and $20.2 million, respectively. As discussed further in Note 12, $9.7 million of the increase in inventory reserves during the nine months ended September 30, 2015 related to restructuring and other charges.