Leases (Lease Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 28, 2019		Sep. 28, 2019
Amortization of leased assets	$ 10		$ 19
Interest on lease liabilities	14		27
Total lease expense	1,008		1,992
Operating lease payments	832		1,600
Finance lease payments	36		70
Cost of Sales
Operating lease expense	208	[1]	417
Selling, General and Administrative Expenses
Operating lease expense	$ 776	[1]	$ 1,529

[1] Excludes short-term and variable lease expenses, which are immaterial.