Inventories, Net Level 3 (Tables)

6 Months Ended

Sep. 30, 2012

Notes To Financial Statements [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventory costs include material, labor, and overhead. Inventories, net consisted of the following:

	September 30, 2012			March 31, 2012
Raw materials	$	55,957		$	56,525
Work in process	28,499			25,236
Finished goods	105,701			109,422
LIFO reserve	(15,783		)	(18,158		)
Reserve for excess and obsolete inventory	(13,837		)	(15,313		)
Inventories, net	$	160,537		$	157,712