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Compensation Plans - Stock-Based Compensation Activity (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2026 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-Based Payment Arrangement, Additional Disclosure |  |  |  |  |
Stock-based compensation expense |  | $ 121,800,000 | $ 101,900,000 | $ 92,300,000 |
Forfeitures |  | 1,800,000 | 2,600,000 | 1,900,000 |
Tax benefit related to stock-based compensation expense |  | $ 23,500,000 | $ 16,400,000 | $ 17,900,000 |
Options Outstanding |  |  |  |  |
Beginning Balance (in shares) | 105,767 |  |  |  |
Ending Balance (in shares) |  | 105,767 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures |  |  |  |  |
Common shares repurchased from employees related to employment tax obligations (in shares) |  | 318,801 | 346,972 | 494,555 |
Forecast |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures |  |  |  |  |
Common shares repurchased from employees related to employment tax obligations (in shares) | 100,000 |  |  |  |
Restricted stock |  |  |  |  |
Unvested Restricted Stock or Stock Units |  |  |  |  |
Beginning Balance (in shares) | 862,636 | 1,740,128 | 2,593,922 | 4,219,826 |
Granted (in shares) |  | 194,572 | 311,014 | 336,093 |
Vested (in shares) |  | (1,059,929) | (1,128,342) | (1,932,950) |
Canceled (in shares) |  | (12,135) | (36,466) | (29,047) |
Ending Balance (in shares) |  | 862,636 | 1,740,128 | 2,593,922 | 4,219,826
Weighted Average Grant Date Fair Value (in dollars per share) |  |  |  |  |
Beginning Balance (in dollars per share) | $ 190.79 | $ 128.01 | $ 104.89 | $ 92.43 |
Granted (in dollars per share) |  | 310.86 | 217.55 | 153.89 |
Vested (in dollars per share) |  | 109.51 | 99.15 | 85.62 |
Canceled (in dollars per share) |  | 213.25 | 139.97 | 144.34 |
Ending Balance (in dollars per share) |  | $ 190.79 | $ 128.01 | $ 104.89 | $ 92.43
Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value |  | $ 116,100,000 | $ 111,900,000 | $ 165,500,000 |
Restricted stock units |  |  |  |  |
Unvested Restricted Stock or Stock Units |  |  |  |  |
Beginning Balance (in shares) | 113,685 | 152,318 | 181,193 | 188,328 |
Granted (in shares) |  | 31,060 | 33,694 | 48,931 |
Vested (in shares) |  | (69,693) | (62,569) | (56,066) |
Canceled (in shares) |  | 0 | 0 | 0 |
Ending Balance (in shares) |  | 113,685 | 152,318 | 181,193 | 188,328
Weighted Average Grant Date Fair Value (in dollars per share) |  |  |  |  |
Beginning Balance (in dollars per share) | $ 217.19 | $ 169.34 | $ 141.08 | $ 115.16 |
Granted (in dollars per share) |  | 298.65 | 199.39 | 177.75 |
Vested (in dollars per share) |  | 148.90 | 103.69 | 86.01 |
Canceled (in dollars per share) |  | 0 | 0 | 0 |
Ending Balance (in dollars per share) |  | $ 217.19 | $ 169.34 | $ 141.08 | $ 115.16
Restricted stock and restricted stock units (RSUs) |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures |  |  |  |  |
Unrecognized compensation cost related to equity awards |  | $ 55,400,000 |  |  |
Weighted average period over which equity award expense expected to be recognized |  | 2 years 7 months 6 days |  |  |
Stock options |  |  |  |  |
Options Outstanding |  |  |  |  |
Beginning Balance (in shares) | 105,767 | 148,667 | 156,667 | 81,667 |
Granted (in shares) |  | 0 | 0 | 75,000 |
Exercised (in shares) |  | (42,900) | (8,000) | 0 |
Canceled (in shares) |  | 0 | 0 | 0 |
Expired (in shares) |  | 0 | 0 | 0 |
Ending Balance (in shares) |  | 105,767 | 148,667 | 156,667 | 81,667
Weighted Average Exercise Price (in dollars per share) |  |  |  |  |
Beginning Balance (in dollars per share) | $ 149.89 | $ 135.20 | $ 133.35 | $ 99.00 |
Granted (in dollars per share) |  | 0 | 0 | 170.76 |
Exercised (in dollars per share) |  | 99.00 | 99.00 | 0 |
Cancelled (in dollars per share) |  | 0 | 0 | 0 |
Expired (in dollars per share) |  | 0 | 0 | 0 |
Ending Balance (in dollars per share) |  | $ 149.89 | $ 135.20 | $ 133.35 | $ 99.00
Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures |  |  |  |  |
Weighted Average Remaining Contractual Term of Stock Options Outstanding (in Years) |  | 5 years 8 months 12 days | 5 years 8 months 12 days | 6 years 6 months | 5 years 1 month 6 days
Aggregate Intrinsic Value of Stock Options Outstanding |  | $ 20,077,175 | $ 24,492,634 | $ 6,504,325 | $ 2,547,194
Aggregate Intrinsic Value of Stock Options Exercised |  | $ 9,341,557 | $ 1,334,949 |  |
Number of Exercisable Options (in shares) |  | 30,767 | 73,667 | 81,667 |
Weighted Average Exercise Price of Options Exercisable |  | $ 99.00 | $ 99.00 | $ 99.00 |
Weighted Average Remaining Contractual Term for Options Exercisable |  | 2 years 1 month 6 days | 3 years 1 month 6 days | 4 years 1 month 6 days |
Aggregate Intrinsic Value of Options Exercisable |  | $ 7,405,925 | $ 14,803,384 | $ 6,196,075 |
Unrecognized compensation cost related to equity awards |  | $ 1,500,000 |  |  |
Weighted average period over which equity award expense expected to be recognized |  | 2 years 1 month 6 days |  |  |
Tax Benefit Recorded As a Result of Stock Option Exercises |  | $ 0 |  |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Net number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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