Income Taxes - Components of Income Before Income Taxes and Provision for Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
(Loss) income before income taxes:
Domestic	$ (32,646)	$ (13,385)	$ (39,656)
Foreign	(4,786)	1,112	(3,921)
Income (loss) before income taxes	(37,432)	(12,273)	(43,577)
Current:
U.S. federal and state	(379)	8	(983)
Foreign	557	916	1,205
Current (benefit from) provision for income taxes	178	924	222
Deferred:
U.S. federal and state	0	0	5
Foreign	(201)	(940)	7
Deferred provision for (benefit from) income taxes	(201)	(940)	12
Total provision for (benefit from) income taxes	(23)	$ (16)	$ 234
Tax benefit derived from stock-based compensation	$ 0