Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following (in thousands):

	December 31,
	2014		2013
Raw material and subassemblies	$	181,618	$	204,542
Work-in-progress	37,139		45,060
Finished goods	101,848		95,117
	$	320,605	$	344,719