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Equity-Based Compensation, Profit Sharing and Deferred Compensation Plans - Additional Information (Detail) | 12 Months Ended |
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Dec. 31, 2020 USD ($) compensation_plan shares | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Feb. 12, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Equity-based compensation expense | $ | $ 50,794,000 | $ 78,532,000 | $ 75,701,000 |
Tax benefit related to equity-based compensation costs | $ | $ 10,500,000 | $ 16,800,000 | $ 17,200,000 |
Options exercised (in shares) | 159,000 | 276,000 | 188,000 |
Combined plan contribution | $ | $ 22,500,000 | $ 20,300,000 | $ 19,500,000 |
Shares contributed to the Employee Stock Ownership Plan (in Shares) | 5,000 | 5,000 |  |
Number of deferred compensation plans | compensation_plan | 2 |  |  |
Common stock, shares held in rabbi trust, shares (in shares) | 106,697 | 107,295 |  |
Revolving Credit Facility | Amended Credit Agreement [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum loan borrowing capacity | $ |  |  |  | $ 300,000,000
Increase in commitment available | $ | $ 300,000,000 |  |  |
Revolving Credit Facility | Amended Credit Agreement [Member] | Sublimit for Issuance of Letters of Credit |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum loan borrowing capacity | $ | $ 100,000,000 |  |  |
RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options issued under the plan (in Shares) | 4,000 |  |  |
Total unrecognized compensation cost for all outstanding Options and RSUs | $ | $ 169,500,000 |  |  |
Weighted-average period over which the unrecognized compensation will be recorded | 2 years 2 months 12 days |  |  |
Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options issued under the plan (in Shares) | 43,000 |  |  |
Options outstanding | 593,000 | 749,000 |  |
Options | Option Grant Contingent upon Continued Employment or Service as a Director and Achievement of Performance Metric |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of options vesting rights | 25.00% |  |  |
Options | Share-based Compensation Award, Tranche Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of options vesting rights | 50.00% |  |  |
Employee Performance Based Stock Option [Member] | Option Grant Contingent upon Continued Employment or Service as a Director and Achievement of Performance Metric |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units vesting period or option vesting period | 4 years |  |  |
Percentage of options vesting rights | 25.00% |  |  |
Employee Performance Based Stock Option [Member] | Share-based Compensation Award, Tranche Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of options vesting rights | 50.00% |  |  |
Performance Based Restricted Stock Unit [Member] | Option Grant Contingent upon Continued Employment or Service as a Director and Achievement of Performance Metric |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units vesting period or option vesting period | 3 years |  |  |
Percentage of options vesting rights | 33.00% |  |  |
Maximum | RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units vesting period or option vesting period | 6 years |  |  |
Maximum | Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units vesting period or option vesting period | 6 years |  |  |
2010 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units grants during period | 0 |  |  |
Options outstanding | 74,000 |  |  |
Share-Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options Outstanding, Number | 14,000 |  |  |
Shares Available to Issue | 0 |  |  |
Options/RSUs Outstanding | 88,000 |  |  |
2010 Plan | RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units grants during period | 4,000 |  |  |
Vested, but not issued at end of period (Aggregate Intrinsic Value) | $ | $ 0 |  |  |
Share-Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options Outstanding, Number | 18,000 | 15,000 |  |
2010 Plan | Performance Based Restricted Stock Unit [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units grants during period | 0 |  |  |
2018 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units grants during period | 4,000 |  |  |
Options outstanding | 116,000 |  |  |
Share-Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options Outstanding, Number | 4,000 |  |  |
Shares Available to Issue | 155,000 |  |  |
Options/RSUs Outstanding | 120,000 |  |  |
2018 Plan | RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units grants during period | 2,000 |  |  |
Shares Available to Issue | 36,000 |  |  |
2018 Plan | Performance Based Restricted Stock Unit [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Restricted share units grants during period | 2,000 |  |  |

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- Definition The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of vested portions of equity-based payment instruments outstanding and currently exercisable under the equity-based plan as of the balance sheet date. + References No definition available. + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition 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. + References No definition available. + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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