Restructuring Charges (Details Textual) (USD $)	12 Months Ended			21 Months Ended	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013 employee	Mar. 31, 2015	Mar. 31, 2012
Restructuring Charges (Textual) [Abstract]
Number of employees impacted through restructuring actions				130
Restructuring charges	$ 996,000	$ 1,289,000	$ 1,087,000
Restructuring liabilities	450,000	534,000			450,000
Restructuring Plan Fiscal Two Zero One Four [Member]
Restructuring Charges (Textual) [Abstract]
Restructuring charges	700,000				600,000
Restructuring liabilities	500,000				500,000
Fiscal 2012 Restructuring Plan [Member]
Restructuring Charges (Textual) [Abstract]
Restructuring and related charges						$ 12,100,000