Property And Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2011

Property And Equipment, Net [Abstract]

Property And Equipment, Net

	December 31,
	2011			2010
	(In thousands)
Manufacturing and engineering equipment	$	404,750		$	419,116
Land, buildings and leasehold improvements		261,946			259,308
Office furniture, fixtures and equipment		106,467			110,228
		773,163			788,652
Less accumulated depreciation		(564,399	)		(570,083	)
Property and equipment, net	$	208,764		$	218,569