Segments - Assets and Deferred Revenue (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015
Corporate and Other
Total Assets	$ 80,429	$ 87,805
Deferred Revenue	1,403	1,518
U.S. Markets
Corporate and Other
Total Assets	26,786	27,769
Deferred Revenue	285	157
Engineered Systems
Corporate and Other
Total Assets	23,195	27,435
Deferred Revenue	1,118	1,361
Distribution Services
Corporate and Other
Total Assets	929	261
Deferred Revenue	0	0
Corporate and Other
Corporate and Other
Total Assets	29,519	32,340
Deferred Revenue	$ 0	$ 0