Acquisitions Acquisitions (Details Textual) (USD $)	6 Months Ended			0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013	Jun. 10, 2013 TimeManagement Corporation [Member]
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Goodwill Amount	$ 17,701,000		$ 14,128,000	$ 3,444,000
Cash paid for acquisiton	1,750,000	0		1,800,000
Business Acquisition, Contingent Consideration, Potential Cash Payment				$ 1,800,000
Business Acquisition, Goodwill, Expected Tax Deductible Period				15 years
Business Combination, Contingent Consideration Arrangements, Period				6 years