Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Notes To Financial Statements [Abstract]

Schedule of Inventory, Current

Inventories at June 30, 2012 and December 31, 2011 are as follows: 

	Jun 30, 2012		Dec 31, 2011
	(in thousands)
Raw materials and parts	$	76,714	$	69,576
Work-in-process	17,454		15,204
Finished goods	37,132		39,261
	131,300		124,041
LIFO reserve	259		259
	$	131,559	$	124,300