Investments (Recognized Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Gain (Loss) on Securities
Net (loss) gain recognized during the period	$ (185)	$ (233)	$ 275	$ (2,575)
Less: Net (gain) loss recognized on securities sold during the period	(110)	216	(130)	290
Unrealized (loss) gain recognized during the period on securities still held	$ (295)	$ (17)	$ 145	$ (2,285)