Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Summary of Assets and Liabilities Recorded at Fair Value on Recurring Basis

The following tables present the assets and liabilities recorded at fair value on a recurring basis:

	Balance at		Balance Sheet	Basis of Fair Value Measurement
(in thousands)	September 30, 2021		Location	Level 1		Level 2		Level 3
Assets:
Money market mutual funds	$	61,000	Cash and cash equivalents	$	61,000
Money market mutual funds		71,018	Other assets		71,018
Certificates of deposit		2,200	Other assets				2,200
Equity securities		86,539	Other assets		86,539
Deferred compensation assets		46,495	Other assets		46,495
Foreign currency exchange contracts		846	Other current assets				846
	$	268,098		$	265,052	$	3,046		-
Liabilities:
Deferred compensation liability		46,495	Other noncurrent liabilities		46,495
	$	46,495		$	46,495		-		-
	Balance at		Balance Sheet	Basis of Fair Value Measurement
(in thousands)	December 31, 2020		Location	Level 1		Level 2		Level 3
Assets:
Term Deposit	$	540,000	Cash and cash equivalents			$	540,000
Money market mutual funds		37,100	Cash and cash equivalents		37,100
Money market mutual funds		70,995	Other assets		70,995
Certificates of deposit		2,300	Other assets				2,300
Equity securities		78,367	Other assets		78,367
Deferred compensation assets		42,044	Other assets		42,044
Foreign currency exchange contracts		9,987	Other current assets				9,987
	$	780,793		$	228,506	$	552,287		-
Liabilities:
Deferred compensation liability	$	42,044	Other noncurrent liabilities	$	42,044
	$	42,044		$	42,044		-		-