Property and Equipment (Narrative) (Details) ft² in Thousands			12 Months Ended
	Jun. 30, 2016 USD ($) ft²	Mar. 31, 2016 USD ($)	Mar. 31, 2017 USD ($) segment	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)
Property, Plant and Equipment [Line Items]
Fixed asset impairment charges			$ 0
Impairment charge as a result of purchase and sale agreement			$ 1,614,000
Number of reportable segments (segment) | segment			3
Impairment charge					$ 1,030,000
Depreciation			$ 1,451,000	$ 2,950,000	$ 2,853,000
Construction in Progress
Property, Plant and Equipment [Line Items]
Interest capitalized for construction in progress			$ 0	$ 0
Operating Segments | U.S. Markets
Property, Plant and Equipment [Line Items]
Impairment charge as a result of purchase and sale agreement		$ 689,000
Operating Segments | Engineered Systems
Property, Plant and Equipment [Line Items]
Impairment charge as a result of purchase and sale agreement		804,000
Operating Segments | Distribution Services
Property, Plant and Equipment [Line Items]
Impairment charge as a result of purchase and sale agreement		$ 121,000
Manitowoc Manufacturing and Distribution Facility
Property, Plant and Equipment [Line Items]
Gross cash proceeds from sale leaseback agreement	$ 2,600,000
Area of leased property (sqft) | ft²	197
Sale leaseback term	3 years