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Marketable Securities (Tables)

3 Months Ended

Mar. 26, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities Classified as Available-for-sale Securities

Marketable securities classified as available-for-sale securities are summarized below:

		Available-For-Sale Securities as of March 26, 2022
		Fair Value Level		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Agency securities		Level 2			7,000				—				(487	)			6,513
Mortgage-backed securities		Level 2			170,419				—				(2,264	)			168,155
Corporate securities		Level 2			1,124,686				947				(47,717	)			1,077,916
Municipal securities		Level 2			352,245				199				(19,731	)			332,713
Other		Level 2			30,675				—				(2,235	)			28,440
Total				$	1,685,025			$	1,146			$	(72,434	)		$	1,613,737

		Available-For-Sale Securities as of December 25, 2021
		Fair Value Level		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Agency securities		Level 2			7,000				—				(110	)			6,890
Mortgage-backed securities		Level 2			149,692				257				(880	)			149,069
Corporate securities		Level 2			1,079,390				9,830				(11,827	)			1,077,393
Municipal securities		Level 2			356,037				1,870				(4,864	)			353,043
Other		Level 2			31,134				22				(873	)			30,283
Total				$	1,623,253			$	11,979			$	(18,554	)		$	1,616,678

Schedule of Gross Unrealized Losses and Fair Value by Major Security Type

The following tables display additional information regarding gross unrealized losses and fair value by major security type for available-for-sale securities in an unrealized loss position as of March 26, 2022 and December 25, 2021.

		As of March 26, 2022
		Less than 12 Consecutive Months								12 Consecutive Months or Longer								Total
		Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value
Agency securities			(487	)			6,513				—				—				(487	)			6,513
Mortgage-backed securities			(1,757	)			52,201				(507	)			7,476				(2,264	)			59,677
Corporate securities			(32,386	)			669,654				(15,331	)			192,402				(47,717	)			862,056
Municipal securities			(13,953	)			231,353				(5,778	)			68,672				(19,731	)			300,025
Other			(1,293	)			20,230				(942	)			6,480				(2,235	)			26,710
Total		$	(49,876	)		$	979,951			$	(22,558	)		$	275,030			$	(72,434	)		$	1,254,981

		As of December 25, 2021
		Less than 12 Consecutive Months								12 Consecutive Months or Longer								Total
		Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value
Agency securities			(110	)			6,890				—				—				(110	)			6,890
Mortgage-backed securities			(148	)			18,909				(732	)			7,598				(880	)			26,507
Corporate securities			(9,466	)			499,084				(2,361	)			85,033				(11,827	)			584,117
Municipal securities			(4,247	)			226,009				(617	)			29,405				(4,864	)			255,414
Other			(467	)			17,845				(406	)			7,205				(873	)			25,050
Total		$	(14,438	)		$	768,737			$	(4,116	)		$	129,241			$	(18,554	)		$	897,978

Schedule of Amortized Cost and Estimated Fair Value of Marketable Securities by Maturity

The amortized cost and fair value of marketable securities at March 26, 2022, by maturity, are shown below.

		Amortized Cost				Fair Value
Due in one year or less		$	375,211			$	375,237
Due after one year through five years			1,275,626				1,206,941
Due after five years through ten years			31,106				29,025
Due after ten years			3,082				2,534
		$	1,685,025			$	1,613,737

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- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

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-Name Accounting Standards Codification
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