Inventories (Tables)

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following:

	September 30, 2015		December 31, 2014
Raw materials	$	14,606	$	16,712
Work in progress	23,915		22,960
Manufactured and purchased components	20,016		21,296
Finished goods	29,253		32,403
Product inventory	87,790		93,371
Capitalized contract costs	31,087		20,908
Total inventories	$	118,877	$	114,279