Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Schedule of Inventory, Current

Inventories at March 31, 2012 and December 31, 2011 are as follows:

	Mar 31, 2012		Dec 31, 2011
	(in thousands)
Raw materials and parts	$	78,466	$	69,576
Work-in-process		20,586		15,204
Finished goods		38,758		39,261
		137,810		124,041
LIFO reserve		259		259
	$	138,069	$	124,300