Inventories

6 Months Ended

Sep. 30, 2011

Inventories [Abstract]

Inventories

4. Inventories

Inventories consist of the following (in thousands):

	September 30,		March 31,
	2011		2011
Raw materials	$	17,758	$	10,208
Work in process		4,627		2,499
Finished goods and other		41,463		3,329
	$	63,848	$	16,036