Marketable Securities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2026	Mar. 28, 2026
Debt Securities, Available-for-sale [Line Items]
Gross unrealized losses	$ 1,516	$ 1,598
Amortized cost on available for sale securities held at gross unrealized loss	$ 221,800	$ 197,400
Minimum
Debt Securities, Available-for-sale [Line Items]
Maturity period for highly-rated securities	1 year
Maximum
Debt Securities, Available-for-sale [Line Items]
Maturity period for highly-rated securities	3 years