Marketable Securities (Schedule of Available-for-sale Securities) (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Mar. 25, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 103,486	$ 73,376
Gross Unrealized Gains	315	108
Gross Unrealized Losses	(699)	(1,997)
Estimated Fair Value (Net Carrying Amount)	103,102	71,487
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	97,244	66,753
Gross Unrealized Gains	314	91
Gross Unrealized Losses	(604)	(1,825)
Estimated Fair Value (Net Carrying Amount)	96,954	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	5,107	5,728
Gross Unrealized Gains	1	17
Gross Unrealized Losses	(82)	(151)
Estimated Fair Value (Net Carrying Amount)	5,026	5,594
Agency discount notes
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,135	385
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(13)	(18)
Estimated Fair Value (Net Carrying Amount)	$ 1,122	$ 367