Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Income Statement [Abstract] | ||||
| Service revenues | $ 6,392,517 | $ 7,238,142 | $ 6,461,444 | |
| Costs of services | 3,817,513 | 4,144,093 | 3,765,416 | |
| Gross margin | 2,575,004 | 3,094,049 | 2,696,028 | |
| Selling, general and administrative expenses | 2,107,531 | 2,117,296 | 1,951,282 | |
| (Income) loss from investments held in employee deferred compensation trusts | (88,020) | 86,139 | (61,078) | |
| Amortization of intangible assets | 2,883 | 1,667 | 2,241 | |
| Interest income, net | (23,973) | (8,008) | (197) | |
| Income before income taxes | 576,583 | 896,955 | 803,780 | |
| Provision for income taxes | 165,437 | 239,036 | 205,154 | |
| Net income | $ 411,146 | $ 657,919 | $ 598,626 | |
| Net income per share: | ||||
| Basic (usd per share) | $ 3.90 | $ 6.08 | $ 5.42 | |
| Diluted (usd per share) | $ 3.88 | $ 6.03 | $ 5.36 | |
| Weighted average shares: | ||||
| Basic (in shares) | 105,530 | 108,214 | 110,482 | |
| Diluted (in shares) | 106,074 | 109,171 | 111,718 | |
| Cash dividends, per share (usd per share) | $ 1.92 | $ 1.72 | $ 1.52 | |
| Dividends declared per share (usd per share) | $ 1.92 | $ 1.72 | $ 1.52 | |
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- Definition Deferred Compensation Plan, Investment Income No definition available.
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net amount of operating interest income (expense). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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