Consolidated Balance Sheet Detail - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
Property Plant And Equipment [Line Items]
Total property and equipment	$ 63,295	$ 33,100
Less: accumulated depreciation	(6,180)	(3,367)
Total property and equipment, net	57,115	29,733
Land [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	1,480
Plant and Machinery [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	42,375	21,688
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	$ 19,440	$ 11,412