Leases (Lease Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Mar. 31, 2019	Mar. 30, 2019
Leases [Abstract]
Operating lease assets	$ 13,894	$ 13,000	$ 0
Finance lease assets	1,025
Total lease assets	$ 14,919
Operating lease liability, current, location	us-gaap:AccruedLiabilitiesCurrent		us-gaap:AccruedLiabilitiesCurrent
Accumulated amortization			$ 103
Operating lease liabilities	$ 4,170		0
Finance lease liabilities, current	77
Operating lease liabilities, non-current	10,743		$ 0
Finance lease liabilities, non-current	289
Total lease liabilities	$ 15,279