Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2021	Sep. 27, 2020	Sep. 26, 2021	Sep. 27, 2020	Mar. 28, 2021
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Option to Extend			10 years
Short-term Lease, Expense	$ 0	$ 0	$ 0	$ 0
Operating Lease, Expense	$ 700	$ 700	$ 1,400	$ 1,400
Operating Lease, Weighted Average Remaining Lease Term	9 years 4 months 24 days		9 years 4 months 24 days		9 years 8 months 23 days
Operating Lease, Weighted Average Discount Rate, Percent	2.60%		2.60%		2.70%
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	1 year		1 year
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	23 years		23 years