Veloce - Cash Payments and Stock Issuances (Details) - Veloce Technologies Inc - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended		40 Months Ended
	Jun. 20, 2012	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015
Business Acquisition [Line Items]
Cash payments		$ 25	$ 1,116	$ 90	$ 7,499	$ 89,400
Value of common stock issued		1,947	281	2,868	615
Total payments	$ 178,500	$ 1,972	$ 1,397	$ 2,958	$ 8,114	$ 171,900
Shares of common stock issued (in shares)		354	38	517	77	11,200