Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax [Line Items]
Pretax income (loss) from continuing operations	$ 146,830,000	$ 93,022,000	$ 74,352,000
Favorable adjustment related to release of valuation allowance	$ 16,000,000.0
Effective income tax rate reconciliation, tax settlement, foreign, percent	10.90%
Recognition of an excess tax benefit and deficiency	$ 400,000	$ 1,200,000	$ 1,000,000.0
Effective tax rate impact associated with stock-based compensation	0.30%	1.30%	1.40%
Decrease in effective tax rate due to settlement of a state income tax audit, percentage		(0.50%)	0.10%
Effective income tax rate, deductible amount		$ 29,700,000
Income tax rate non deductible legal settlement			$ 1,100,000
Effective income tax rate legal agreements			1.40%
U.S. corporate tax rate	21.00%	21.00%	21.00%
Foreign tax credit carryforwards	$ 27,321,000	$ 32,998,000
Unrecognized tax benefits that would impact effective tax rate	10,800,000	9,300,000
Short-term reserves	1,000,000.0
Long-term reserves	10,800,000
Interest and penalties	$ 1,900,000	1,900,000
Significant change in unrecognized tax benefits, nature of event description	Due to the expiration of various statutes of limitations
Gross unrecognized tax benefits change range, minimum	$ 0
Gross unrecognized tax benefits change range, maximum	1,500,000
Deferred tax asset, gross	194,400,000	334,900,000
Deferred tax liability, gross	$ 51,500,000	56,800,000
Percentage of limited NOL carryforwards of future taxable income	80.00%
Valuation allowance against portion of the foreign tax credit carryforward not supported by ODL	$ 17,000,000.0
Net deferred income tax assets	29,000,000.0	45,000,000.0
Foreign tax credit carryforward, prior to expiration	$ 16,000,000.0
CARES Act [Member]
Income Tax [Line Items]
Operating loss carryforwards, limitations on use	The CARES Act, which provides tax relief to assist companies dealing with the effects of COVID-19, suspended this 80% limitation during the 2018 through 2020 tax years and allows for a 5 year carryback of NOL’s incurred in tax years beginning after December 31, 2017 and before January 1, 2021.
Domestic Country [Member]
Income Tax [Line Items]
Net operating loss carry forwards		109,700,000
Foreign Country [Member]
Income Tax [Line Items]
Foreign tax credits	$ 33,000,000.0
State [Member]
Income Tax [Line Items]
Net operating loss carry forwards	314,200,000
Combined State [Member]
Income Tax [Line Items]
Net operating loss carry forwards	15,500,000
Separate State [Member]
Income Tax [Line Items]
Net operating loss carry forwards	180,300,000
Maximum [Member]
Income Tax [Line Items]
U.S. corporate tax rate			35.00%
Unrecognized tax benefit, income tax penalties and interest benefit (expense) recognized	$ (100,000)	(100,000)	$ 100,000
Maximum [Member] | Foreign Country [Member]
Income Tax [Line Items]
Foreign tax credits, expiration year	2023
Maximum [Member] | State [Member]
Income Tax [Line Items]
Net operating loss carry forwards, expiration year	2037
Minimum [Member]
Income Tax [Line Items]
U.S. corporate tax rate			21.00%
Minimum [Member] | Foreign Country [Member]
Income Tax [Line Items]
Foreign tax credits, expiration year	2022
Minimum [Member] | State [Member]
Income Tax [Line Items]
Net operating loss carry forwards, expiration year	2021
Florida [Member]
Income Tax [Line Items]
Net benefit associated with results of state income tax audit		$ 500,000
Decrease in effective tax rate due to settlement of a state income tax audit, percentage		0.50%