Marketable Securities (Schedule of Available-for-sale Securities) (Details) - USD ($) $ in Thousands	Dec. 27, 2025	Mar. 29, 2025
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 301,845	$ 293,574
Gross Unrealized Gains	2,049	1,680
Gross Unrealized Losses	(50)	(58)
Estimated Fair Value (Net Carrying Amount)	303,844	295,196
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	301,177	284,885
Gross Unrealized Gains	2,043	1,635
Gross Unrealized Losses	(50)	(55)
Estimated Fair Value (Net Carrying Amount)	303,170	286,465
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	668	8,689
Gross Unrealized Gains	6	45
Gross Unrealized Losses	0	(3)
Estimated Fair Value (Net Carrying Amount)	$ 674	$ 8,731