Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventories [Abstract]

Components Of Inventories

	March 31, 2012		December 31, 2011
	(In thousands)
Raw materials and component parts	$	155,253	$	155,577
Work-in-process		39,924		40,506
Finished goods		58,387		58,175
Total	$	253,564	$	254,258