Investments (Contractual Maturities) (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Mar. 30, 2019
Amortized Cost
Due in less than one year	$ 507
Due after one year through five years	3,215
Due after five years through ten years	263
Due after ten years	1,922
Mortgage-backed securities	6,168
Amortized Cost	12,075	$ 13,443
Fair Value
Due in less than one year	507
Due after one year through five years	3,218
Due after five years through ten years	283
Due after ten years	2,031
Mortgage-backed securities	6,142
Fair Value	$ 12,181	$ 13,408