Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands |
Total |
Cumulative Effect, Period of Adoption, Adjustment |
Stockholders' Equity |
Stockholders' Equity
Cumulative Effect, Period of Adoption, Adjustment
|
Common Stock |
Capital In Excess of Par Value |
Retained Earnings |
Retained Earnings
Cumulative Effect, Period of Adoption, Adjustment
|
Accumulated Other Comprehensive Income (Loss) |
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjustment
|
Treasury Stock |
Noncontrolling Interest |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance (in shares) at Dec. 31, 2020 | 127,009,536 | |||||||||||
| Balance at Dec. 31, 2020 | $ 617,768 | $ 617,766 | $ 1,270 | $ 153,800 | $ 1,549,950 | $ 8,198 | $ (1,095,452) | $ 2 | ||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||
| Net income | 306,288 | 305,871 | 305,871 | 417 | ||||||||
| Dividends declared | (80,070) | (80,070) | (80,070) | |||||||||
| Currency translation adjustments | 6,173 | 6,173 | 6,173 | |||||||||
| Derivative financial instruments | (198) | (198) | (198) | |||||||||
| Defined benefit obligations | (2,120) | (2,120) | (2,120) | |||||||||
| Available-for-sale investments | 90 | 90 | 90 | |||||||||
| Exercises of stock options (in shares) | 76,682 | |||||||||||
| Exercises of stock options | 1,878 | 1,878 | 1,878 | |||||||||
| Shares placed in treasury | (230,828) | (230,828) | (230,828) | |||||||||
| Stock-based compensation charges (in shares) | 225,767 | |||||||||||
| Stock-based compensation charges | 18,613 | 18,613 | $ 3 | 18,610 | ||||||||
| Distributions to noncontrolling interests | (359) | (359) | ||||||||||
| Balance (in shares) at Dec. 31, 2021 | 127,311,985 | |||||||||||
| Balance at Dec. 31, 2021 | 637,235 | $ 0 | 637,175 | $ 0 | $ 1,273 | 174,288 | 1,775,751 | $ 0 | 12,143 | $ 0 | (1,326,280) | 60 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||
| Net income | 238,620 | 238,191 | 238,191 | 429 | ||||||||
| Dividends declared | (80,972) | (80,972) | (80,972) | |||||||||
| Currency translation adjustments | (34,834) | (34,834) | (34,834) | |||||||||
| Derivative financial instruments | 799 | 799 | 799 | |||||||||
| Defined benefit obligations | 67 | 67 | 67 | |||||||||
| Available-for-sale investments | (105) | (105) | (105) | |||||||||
| Exercises of stock options (in shares) | 35,878 | |||||||||||
| Exercises of stock options | 852 | 852 | 852 | |||||||||
| Shares placed in treasury | (26,990) | (26,990) | (26,990) | |||||||||
| Stock-based compensation charges (in shares) | 323,893 | |||||||||||
| Stock-based compensation charges | 14,127 | 14,127 | $ 4 | 14,123 | ||||||||
| Distributions to noncontrolling interests | $ (444) | (444) | ||||||||||
| Balance (in shares) at Dec. 31, 2022 | 127,671,756 | 127,671,756 | ||||||||||
| Balance at Dec. 31, 2022 | $ 748,355 | $ 0 | 748,310 | $ 0 | $ 1,277 | 189,263 | 1,932,970 | $ 0 | (21,930) | $ 0 | (1,353,270) | 45 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||
| Net income | 246,321 | 245,849 | 245,849 | 472 | ||||||||
| Dividends declared | (84,902) | (84,902) | (84,902) | |||||||||
| Currency translation adjustments | 12,876 | 12,876 | 12,876 | |||||||||
| Derivative financial instruments | 453 | 453 | 453 | |||||||||
| Defined benefit obligations | 1,038 | 1,038 | 1,038 | |||||||||
| Available-for-sale investments | 100 | 100 | 100 | |||||||||
| Exercises of stock options (in shares) | 56,005 | |||||||||||
| Exercises of stock options | 1,323 | 1,323 | $ 2 | 1,321 | ||||||||
| Shares placed in treasury | (7,592) | (7,592) | (7,592) | |||||||||
| Stock-based compensation charges (in shares) | 337,760 | |||||||||||
| Stock-based compensation charges | 15,896 | 15,896 | $ 2 | 15,894 | ||||||||
| Distributions to noncontrolling interests | $ (567) | (567) | ||||||||||
| Balance (in shares) at Dec. 31, 2023 | 128,065,521 | 128,065,521 | ||||||||||
| Balance at Dec. 31, 2023 | $ 933,301 | $ 933,351 | $ 1,281 | $ 206,478 | $ 2,093,917 | $ (7,463) | $ (1,360,862) | $ (50) |
| X | ||||||||||
- Definition Adjustments to additional paid in capital share based compensation requisite service period recognition shares. No definition available.
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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