Summary of Significant Accounting Policies - Reclassification of Debt Issuance Costs, Fiscal Year, Accounts Receivable and Inventories (Details) $ in Millions	12 Months Ended
	Mar. 28, 2020 USD ($) segment	Mar. 30, 2019 USD ($)	Mar. 31, 2018
Fiscal Year
Fiscal year period	364 days	364 days	364 days
Segment Reporting
Number of reporting units | segment	2
Accounts Receivable
Allowance for bad debt | $	$ 0.1	$ 0.1