Fair Value Measurements - (Tables)

9 Months Ended

Sep. 26, 2020

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 September 26, 2020 and December 31, 2019:

			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)
September 26, 2020
Assets:
Available-for-sale debt securities:
Municipal notes and bonds	$	111,401	$	—	$	111,401	$	—
Asset-backed securities		15,160		—		15,160		—
Certificates of deposit		39,685		—		39,685		—
Commercial paper		27,489		—		27,489		—
Corporate bonds		45,062		—		45,062		—
Total assets	$	238,797	$	—	$	238,797	$	—
Liabilities:
Contingent consideration - acquisitions	$	134	$	—	$	—	$	134
Foreign currency forward contracts		239		—		239		—
Total liabilities	$	373	$	—	$	239	$	134

December 31, 2019
Assets:
Available-for-sale debt securities:
Municipal notes and bonds	$	81,108	$	—	$	81,108	$	—
Asset-backed securities		10,779		—		10,779		—
Certificates of deposit		30,507		—		30,507		—
Commercial paper		30,708		—		30,708		—
Corporate bonds		36,461		—		36,461		—
Foreign currency forward contracts		120		—		120		—
Total assets	$	189,683	$	—	$	189,683	$	—
Liabilities:
Contingent consideration - acquisitions	$	569	$	—	$	—	$	569
Total liabilities	$	569	$	—	$	—	$	569

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

This table presents a reconciliation of the Contingent consideration - acquisitions liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the nine months ended September 26, 2020:

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
Balance at December 31, 2019	$	569
Additions		—
Payments		(435	)
Transfer into (out of) Level 3		—
Balance at September 26, 2020	$	134