Schedule II - Valuation and Qualifying Accounts - Allowance Rollforward (Details) (Year Ended March 31, 2014, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Year Ended March 31, 2014
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 703	$ 1,099	$ 1,324
Charged (Credited) to Costs and Expenses	(286)	1	(13)
From Acquisition	0	0	(28)
Write-Offs	34	(397)	(184)
Balance at End of Period	$ 451	$ 703	$ 1,099