Inventories (Tables)

9 Months Ended

Sep. 30, 2011

Inventories [Abstract]

Schedule Of Inventories

	September 30, 2011			December 31, 2010
Raw materials, including parts and subassemblies	$	186,864		$	163,192
Work-in-process		49,781			38,419
Finished goods		62,262			54,898
		298,907			256,509
Excess of FIFO costs over LIFO costs		(16,113	)		(15,024	)
Inventories, net	$	282,794		$	241,485