Acquisitions Acquisitions (Details) (USD $) In Thousands, unless otherwise specified				12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2014 TimeManagement Corporation [Member]	Jun. 10, 2013 TimeManagement Corporation [Member]
Business Acquisition [Line Items]
Current assets					$ 327
Property and equipment					88
Goodwill	17,158	14,128	15,198		3,444
Developed technology					605
Total assets acquired					4,464
Total liabilities assumed (all current)					914
Net assets acquired					$ 3,550
Weighted Average Useful Life				5 years