Schedule of Unrealized Loss on Available-for-Sale Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 25, 2021
Debt Securities, Available-for-sale [Line Items]
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value	$ 56,275	$ 94,621
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss	1,616	1,312
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value	78,406	0
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss	9,148	0
Available-for-sale investments with unrealized losses, Fair Value, Total	134,681	94,621
Available-for-sale investments with unrealized losses, Unrealized Loss, Total	10,764	1,312
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value	0	22,095
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss	0	346
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value	16,016	0
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss	2,889	0
Available-for-sale investments with unrealized losses, Fair Value, Total	16,016	22,095
Available-for-sale investments with unrealized losses, Unrealized Loss, Total	2,889	346
Corporate bonds and direct obligations of government agencies
Debt Securities, Available-for-sale [Line Items]
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value	54,031	72,526
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss	1,516	966
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value	62,390	0
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss	6,259	0
Available-for-sale investments with unrealized losses, Fair Value, Total	116,421	72,526
Available-for-sale investments with unrealized losses, Unrealized Loss, Total	7,775	$ 966
U.S. Treasury obligations
Debt Securities, Available-for-sale [Line Items]
Available-for-sale investments with unrealized losses, Less than 12 months, Fair Value	2,244
Available-for-sale investments with unrealized losses, Less than 12 months, Unrealized Loss	100
Available-for-sale investments with unrealized losses, 12 months or longer, Fair Value	0
Available-for-sale investments with unrealized losses, 12 months or longer, Unrealized Loss	0
Available-for-sale investments with unrealized losses, Fair Value, Total	2,244
Available-for-sale investments with unrealized losses, Unrealized Loss, Total	$ 100

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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-Name Accounting Standards Codification
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-SubTopic 30
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