Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Deferred Revenue Disclosure [Abstract]
Deferred Revenue, Period Start	$ 15,616	$ 11,583	$ 15,397	$ 7,685
Deferred Revenue, Noncurrent	405	400	405	400
Revenue deferred	51,191	9,075	66,661	28,547
Revenue recognized	(54,420)	(9,440)	(69,671)	(25,014)
Deferred Revenue, Period Start	$ 12,387	$ 11,218	$ 12,387	$ 11,218