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Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
	Jul. 01, 2018	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Deferred compensation plan liability		$ 17,583		$ 10,943
Cash surrender value of policies		10,635		$ 11,208
Change in fair value of plan assets		(1,558)	$ 288
Change in fair value of deferred compensation liabilities		$ (1,547)	$ 188
U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Vesting percentage of participants	100.00%
Employer discretionary vesting period	2 years
Earnings receivable minimum term	2 years
Earnings receivable lump sum or annual installment maximum terms	15 years
One-Year Anniversary of Approval of Contribution | U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Employer discretionary vesting percentage	50.00%
Two-Year Anniversary of Approval of Contribution | U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Employer discretionary vesting percentage	50.00%
Minimum | U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Individual qualifying base compensation, percentage	1.00%
Individual qualifying bonus compensation, percentage	1.00%
Maximum | U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Individual qualifying base compensation, percentage	80.00%
Individual qualifying bonus compensation, percentage	100.00%

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Deferred compensation arrangement with individual, participants’ deferrals vesting percentage.

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Deferred compensation arrangement with individual, qualifying bonus compensation percentage.

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Income (expense) on deferred compensation arrangement liability.

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Income (expense) on deferred compensation arrangement, plan assets.

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Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Commitment made to pay deferred cash remuneration expressed as a percentage of the individual's base salary.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum term of the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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