Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Components Of Inventories

The components of inventories as of March 31, 2015 and December 31, 2014 were:

	March 31, 2015		December 31, 2014
Raw materials and component parts	$	140,239	$	137,584
Work in process	40,311		37,178
Finished goods	63,015		62,869
Total	$	243,565	$	237,631