Segment Data (Reconciliation of Segment Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Corporate and Other
Total Assets	$ 62,051	$ 70,875
Deferred Revenue	1,565	1,265
U.S. Markets
Corporate and Other
Total Assets	6,698	18,503
Deferred Revenue	141	167
Engineered Systems
Corporate and Other
Total Assets	18,111	21,885
Deferred Revenue	1,424	1,098
Distribution Services
Corporate and Other
Total Assets	9,702	1,386
Deferred Revenue	0	0
Corporate and Other
Corporate and Other
Total Assets	27,540	29,101
Deferred Revenue	$ 0	$ 0