SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Allowance for doubtful accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 173	$ 313	$ 971
Additions Resulting in Charges to Operations	1,824	(140)	250
Charges to Other Accounts	3,221	0	(40)
Deductions Due to Write-Offs	(149)	0	(868)
Balance at End of Year	5,069	173	313
Deferred tax asset valuation allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	3,906	4,941	3,795
Additions Resulting in Charges to Operations	99	152	837
Charges to Other Accounts	0	0	309
Deductions Due to Write-Offs	(228)	(1,187)	0
Balance at End of Year	$ 3,777	$ 3,906	$ 4,941