Veloce - Additional Information (Details) - Veloce Technologies Inc. - USD ($) shares in Thousands, $ in Thousands		12 Months Ended		45 Months Ended
	Jun. 20, 2012	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016
Variable Interest Entity [Line Items]
Total purchase consideration	$ 178,500	$ 2,976	$ 14,775	$ 171,900
Cash payments		107	$ 9,150	89,400
Cash and stock to be paid in next period		$ 6,600		$ 6,600
Stock issued (in shares)		517	1,054	11,200
Total equity value transferred				$ 82,500