Acquisitions Acquisitions (Details Textual) - USD ($) $ in Thousands		12 Months Ended
	Jun. 10, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Goodwill Amount		$ 19,622	$ 17,158
Cash paid for acquisiton		$ 3,750	$ (1,812)	$ 0
TimeManagement Corporation [Member]
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Goodwill Amount	$ 3,444
Cash paid for acquisiton	1,800
Business Acquisition, Contingent Consideration, Potential Cash Payment	$ 1,800
Business Acquisition, Goodwill, Expected Tax Deductible Period	15 years
Business Combination, Contingent Consideration Arrangements, Period	5 years