Commitments and Contingencies - Commitments (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2016 USD ($)
Operating Leases
2017 (remainder of year)	$ 1,282
2018	962
2019	503
Total	2,747
Purchase Commitments
2017 (remainder of year)	24,166	[1]
2018	10,590	[1]
2019	693	[1]
Total	35,449	[1]
Total
2017 (remainder of year)	25,448
2018	11,552
2019	1,196
Total	38,196
Licensing Costs Due	$ 15,200
Length of warranty (in years)	1 year

[1] Includes open purchase orders with terms that generally allow us the option to cancel or reschedule the order, subject to various restrictions and limitations. Also includes the licensing fees relating to the Company's R&D efforts, including IP, technology, product design, test and verification tools of $15.2 million.