Segment Data (Reconciliation of Segment Operations) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Corporate and Other
Revenues	$ 18,576	$ 16,751	$ 15,728	$ 16,587	$ 19,366	$ 26,138	$ 13,393	$ 13,313	$ 67,642	$ 72,210	$ 88,623
Operating (Loss) Profit									(19,921)	(31,936)	(8,343)
Depreciation and Amortization									4,165	4,183	4,538
Capital Expenditures									401	2,006	410
U.S. Markets
Corporate and Other
Revenues									38,841	37,778	38,766
Operating (Loss) Profit									(4,958)	(12,542)	(1,012)
Depreciation and Amortization									1,168	1,711	2,667
Capital Expenditures									72	626	276
Engineered Systems
Corporate and Other
Revenues									26,325	33,454	49,857
Operating (Loss) Profit									(6,982)	(12,431)	1,260
Depreciation and Amortization									1,987	1,404	302
Capital Expenditures									43	495	0
Distribution Services
Corporate and Other
Revenues									2,476	978	0
Operating (Loss) Profit									(632)	(455)	0
Depreciation and Amortization									71	32	0
Capital Expenditures									10	40	0
Corporate and Other
Corporate and Other
Revenues									0	0	0
Operating (Loss) Profit									(7,349)	(6,508)	(8,591)
Depreciation and Amortization									939	1,036	1,569
Capital Expenditures									$ 276	$ 845	$ 134