Other Long-Term Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Debt useful life, minimum	1 year
Debt useful life, maximum	3 years
Interest expense	$ 110	$ 114	$ 156