Commitments and Contingencies Loss Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency Accrual	$ 400	$ 200
Loss Contingency Accrual, Provision	$ 250	$ 200	$ 200
Loss Contingency, Receivable, Receipts			$ 19,300