Financing Arrangements (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2015	Mar. 31, 2014
Line of Credit Facility [Line Items]
Capital Leased Assets, Number of Units	500	800
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Property, Plant, and Equipment Other, Accumulated Depreciation	$ 200	$ 700
Minimum [Member]
Line of Credit Facility [Line Items]
Interest rate on capital lease	2.60%
Maximum [Member]
Line of Credit Facility [Line Items]
Interest rate on capital lease	10.10%