Discontinued Operations Discontinued Operations - Narrative (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
Net sales and net operating (loss) from discontinued operations
Net sales										$ 5,600
Disposal Group, Including Discontinued Operation, Operating Income (Loss)										300
Operating income (loss)	$ 0	$ 0	$ 0	$ 0	$ 0	$ (164)	$ (1,400)	$ 6,943	$ 0	5,379	$ (3,634)
Machinery Division [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue									0	104	11,489
Net sales and net operating (loss) from discontinued operations
Disposal Group, Including Discontinued Operation, Operating Income (Loss)									$ 0	$ (265)	$ (3,730)