Inventories Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following (in thousands):

	March 31, 2012		December 31, 2011
Raw material and subassemblies	$	231,722	$	225,573
Work-in-progress	59,810		55,886
Finished goods	59,700		54,592
	$	351,232	$	336,051