Deferred Income on Shipments to Distributors (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2018	Apr. 02, 2017
Deferred Revenue Disclosure [Abstract]
Gross deferred revenue	$ 0	$ 2,335
Gross deferred costs	0	(350)
Deferred income on shipments to distributors	$ 0	$ 1,985
Maximum
Deferred Revenue Arrangement [Line Items]
Discount from list price billed to the customer (in hundredths)	28.00%