Fair Value Measurements - (Tables)

12 Months Ended

Jan. 01, 2022

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis

The following tables provide the assets and liabilities carried at fair value measured on a recurring basis at January 1, 2022 and December 26, 2020: 

	Fair Value Measurements Using
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
January 1, 2022
Assets:
Available-for-sale debt securities:
Municipal notes and bonds	$	170,980	$	—	$	170,980	$	—
Asset-backed securities		2,009		—		2,009		—
Certificates of deposit		33,192		—		33,192		—
Commercial paper		73,113		—		73,113		—
Corporate bonds		62,447		—		62,447		—
Total assets	$	341,741	$	—	$	341,741	$	—
Liabilities:
Foreign currency forward contracts	$	26	$	—	$	26	$	—
Total liabilities	$	26	$	—	$	26	$	—

	Fair Value Measurements Using
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
December 26, 2020
Assets:
Available-for-sale debt securities:
Municipal notes and bonds	$	124,640	$	—	$	124,640	$	—
Asset-backed securities		11,708		—		11,708		—
Certificates of deposit		36,373		—		36,373		—
Commercial paper		32,699		—		32,699		—
Corporate bonds		31,582		—		31,582		—
Total assets	$	237,002	$	—	$	237,002	$	—
Liabilities:
Foreign currency forward contracts	$	36	$	—	$	36	$	—
Total liabilities	$	36	$	—	$	36	$	—