CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| REVENUES | |||
| Customer services | $ 2,424,300 | $ 2,161,220 | $ 2,015,477 |
| COSTS AND EXPENSES | |||
| Cost of services provided (exclusive of depreciation and amortization below) | 1,162,617 | 1,048,592 | 993,593 |
| Sales, general and administrative | 727,489 | 656,207 | 623,379 |
| Depreciation and amortization | 94,205 | 88,329 | 81,111 |
| Total operating expenses | 1,984,311 | 1,793,128 | 1,698,083 |
| OPERATING INCOME | 439,989 | 368,092 | 317,394 |
| Interest expense, net | 830 | 5,082 | 6,917 |
| Other (income) expense, net | (35,679) | 8,290 | 49,317 |
| CONSOLIDATED INCOME BEFORE INCOME TAXES | 474,838 | 354,720 | 261,160 |
| PROVISION FOR INCOME TAXES | 124,151 | 93,896 | 57,813 |
| NET INCOME | $ 350,687 | $ 260,824 | $ 203,347 |
| NET INCOME PER SHARE - BASIC | $ 0.71 | $ 0.53 | $ 0.41 |
| NET INCOME PER SHARE - DILUTED | 0.71 | 0.53 | 0.41 |
| DIVIDENDS PAID PER SHARE | $ 0.42 | $ 0.33 | $ 0.31 |
| Weighted average shares outstanding - basic | 492,054 | 491,604 | 491,216 |
| Weighted average shares outstanding - diluted | 492,054 | 491,604 | 491,216 |
| X | ||||||||||
- 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 Amount of expense for allocation of cost of tangible and intangible assets over their useful lives, and reduction in quantity of natural resource due to consumption directly used in production of good and rendering of service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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| X | ||||||||||
- 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/exampleRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- References No definition available.
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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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| X | ||||||||||
- 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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