Debt and Finance Lease Obligations Changes in Accretable Yield on Securitized Financings (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Debt Disclosure [Abstract]
Balance at beginning of the period	$ 491	$ 3,515
Additions		0
Accretion	577	2,830
Adjustment to cash flows	86	(194)
Balance at the end of the period	$ 0	$ 491