Investments (Recognized Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 30, 2023	Dec. 31, 2022
Gain (Loss) on Securities
Net gain (loss) recognized during the period	$ 776	$ 707	$ 1,051	$ (1,868)
Less: Net (gain) loss recognized on securities sold during the period	(235)	(107)	(365)	183
Unrealized gain (loss) recognized during the period on securities still held	$ 541	$ 600	$ 686	$ (1,685)