Inventories (Tables)

3 Months Ended

Dec. 31, 2011

Notes to Financial Statements [Abstract]

Components of inventories

The components of inventories consist of the following (amounts in thousands):

	December 31, 2011		March 31, 2011
Raw materials	$	9,801	$	8,174
Work in process	138,676		141,462
Finished goods	69,376		31,164
	$	217,853	$	180,800