Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventories [Abstract]

Schedule of Inventory, Current [Table Text Block]

The composition of inventories is as follows:

	September 30, 2012			December 31, 2011
Raw materials	$	88,574		$	101,069
Work in progress	42,514			50,455
Finished goods and parts	77,154			87,846
LIFO allowance	(22,901		)	(21,660		)
Total	$	185,341		$	217,710