Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Mar. 27, 2020	Jan. 01, 2018
Income Taxes [Line Items]
Net operating loss carry forwards	$ 4,000
Valuation allowance increase (decrease)	(700)	$ 100
Impact of unrecognized tax benefits on effective tax rate	3,100
Interest and penalties related to income taxes	17,000	5,000	$ 1,000
Interest and penalties accrued	58,000	41,000
Impact on assets and liabilities due to change in accounting principle	65,769	$ 5,843	$ (677)
Undistributed earnings of foreign subsidiaries	113,100
Foreign earnings subject to one time transition tax	$ 58,000
Coronavirus aid relief and economic security fund value				$ 2,200,000,000
Accounting Standards Update 2016-06 [Member] | Other Assets [Member]
Income Taxes [Line Items]
Impact on assets and liabilities due to change in accounting principle					$ 5,700
Accounting Standards Update 2016-06 [Member] | Deferred tax liablities [Member]
Income Taxes [Line Items]
Impact on assets and liabilities due to change in accounting principle					5,000
Accounting Standards Update 2016-06 [Member] | accumulated deficit [Member]
Income Taxes [Line Items]
Impact on assets and liabilities due to change in accounting principle					$ 700
Latest Tax Year
Income Taxes [Line Items]
Net operating loss and business tax credit carry forwards expiration date	at various dates through December 2040.
Domestic Tax Authority
Income Taxes [Line Items]
Business tax credits carry forwards	$ 3,500
Domestic Tax Authority | Tax Year 2040
Income Taxes [Line Items]
Business tax credits carry forwards	6,200
State
Income Taxes [Line Items]
Net operating loss carry forwards	1,100
State | Tax Year 2040
Income Taxes [Line Items]
Business tax credits carry forwards	3,200
Federal and State
Income Taxes [Line Items]
Net operating loss carry forwards	$ 2,900