Valuation and Qualifying Accounts

12 Months Ended

Mar. 31, 2012

Valuation and Qualifying Accounts [Abstract]

VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

	Allowance for Doubtful Accounts
For the year ended	Balance at Beginning of Year		Additions Charged to Costs and Expenses		Deductions			Balance at End of Year
	(In thousands)
March 31, 2012	$	6,717	$	5,715	$	(3,951	)	$	8,481
March 31, 2011	$	4,489	$	3,780	$	(1,552	)	$	6,717
March 31, 2010	$	3,877	$	3,465	$	(2,853	)	$	4,489

	Allowance for Inventory Obsolescence
For the year ended	Balance at Beginning of Year		Additions Charged to Costs and Expenses		Deductions		Balance at End of Year
	(In thousands)
March 31, 2012	$	264	$	43	$	—	$	307
March 31, 2011	$	237	$	27	$	—	$	264
March 31, 2010	$	210	$	27	$	—	$	237