Marketable Securities (Schedule of Available-for-sale Securities) (Details) - USD ($) $ in Thousands	Jun. 24, 2023	Mar. 25, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 75,703	$ 73,376
Gross Unrealized Gains	9	108
Gross Unrealized Losses	(1,918)	(1,997)
Estimated Fair Value (Net Carrying Amount)	73,794	71,487
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	68,871	66,753
Gross Unrealized Gains	9	91
Gross Unrealized Losses	(1,728)	(1,825)
Estimated Fair Value (Net Carrying Amount)	67,152	65,019
Non-U.S. government securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		510
Gross Unrealized Gains		0
Gross Unrealized Losses		(3)
Estimated Fair Value (Net Carrying Amount)		507
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,227	5,728
Gross Unrealized Gains	0	17
Gross Unrealized Losses	(167)	(151)
Estimated Fair Value (Net Carrying Amount)	5,060	5,594
Agency discount notes
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,605	385
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(23)	(18)
Estimated Fair Value (Net Carrying Amount)	$ 1,582	$ 367