Short-term Investments (Notes)	6 Months Ended
Short-term Investments (Notes)	Sep. 30, 2016
Short-term Investments [Abstract]
Short-term Investments	Short-term Investments As of March 31, 2016, the Company had short-term investments of $10.6 million. There were no short-term investments as of September 30, 2016, as they were all converted to cash equivalents. The Company did not sell any of the investments held as of March 31, 2016, prior to maturity. The fair value of short-term investments approximates their carrying amounts due to the short-term nature of these financial assets and, therefore, there are no unrecognized gains or losses.