Contractual Maturities of Investments in Debt Securities Held (Detail) $ in Thousands	Mar. 29, 2026 USD ($)
Schedule of Available-for-sale Securities
Due within one year, cost	$ 3,656
Due after 1 year through 5 years, cost	10,079
Due after 5 years through 10 years, cost	13,104
Due after 10 years, cost	64,221
Total, cost	91,060
Due within one year, fair market value	3,653
Due after 1 year through 5 years, fair market value	9,871
Due after 5 years through 10 years, fair market value	12,974
Due after 10 years, fair maket value	54,482
Total, fair market value	$ 80,980