Fair Value Measurement (Tables)

6 Months Ended

Jun. 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)	June 30, 2021		Location	Level 1		Level 2		Level 3
Assets:
Money market mutual funds	$	13,900	Cash and cash equivalents	$	13,900
Money market mutual funds		71,012	Other assets		71,012
Certificates of deposit		2,200	Other assets				2,200
Equity securities		77,675	Other assets		77,675
Deferred compensation assets		44,019	Other assets		44,019
Foreign currency exchange contracts		442	Other current assets				442
	$	209,248		$	206,606	$	2,642		-
Liabilities:
Deferred compensation liability		44,019	Other noncurrent liabilities		44,019
	$	44,019		$	44,019		-		-
	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		-		-