Basis of Financial Statement Presentation (Tables)

9 Months Ended

Dec. 31, 2012

Basis of Financial Statement Presentation

Schedule of assets and liabilities measured at fair value on a recurring basis

Assets and liabilities measured at fair value on a recurring basis as of December 31, 2012 and March 31, 2012 are as follows (amounts in thousands):

	Carrying Value		Fair Value								Carrying Value		Fair Value
	December 31,		December 31,		Fair Value Measurement Using						March 31,		March 31,		Fair Value Measurement Using
	2012		2012		Level 1		Level 2 (2)		Level 3		2012		2012		Level 1		Level 2 (2)		Level 3
Assets:
Money markets (1)	$	26,253	$	26,253	$	26,253	$	—	$	—	$	26,215	$	26,215	$	26,215	$	—	$	—
Long-term debt	383,495		373,366		348,788		24,578		—		347,331		362,086		358,700		3,386		—

(1)Included in the line item “Cash and cash equivalents” on the Condensed Consolidated Balance Sheets.

(2)The valuation approach used to calculate fair value was a discounted cash flow for each respective debt facility.

Schedule of components of inventories

Inventories are stated at the lower of cost or market.  The components of inventories are as follows (amounts in thousands): 

	December 31, 2012			March 31, 2012
Raw materials and supplies	$	94,669		$	86,845
Work in process	72,708			72,411
Finished goods	73,073			70,122
	240,450			229,378
Inventory reserves	(19,090		)	(17,144		)
	$	221,360		$	212,234