Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventories

Schedule of Inventories

	June 30, 2011			December 31, 2010
Raw materials, including parts and subassemblies	$	199,511		$	163,192
Work-in-process		54,315			38,419
Finished goods		61,731			54,898
		315,557			256,509
Excess of FIFO costs over LIFO costs		(16,087	)		(15,024	)
Inventories, net	$	299,470		$	241,485