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Share-based Payments (Summary of Share Unit Activity) (Details) | 9 Months Ended
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Sep. 30, 2024 $ / shares shares
Performance Share Units (Performance Conditions) | Equity-classified |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
Outstanding beginning balance, Shares | shares | 415,429
Granted, Shares | shares | 161,579
Vested and settled, Shares | shares | (114,315)
Forfeited, Shares | shares | (15,342)
Outstanding ending balance, Shares | shares | 447,351
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 58.35
Granted, Weighted average grant date fair value (usd per share) | $ / shares | 75.93
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares | 58.79
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares | 58.10
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 64.59
Performance Share Units (Market Conditions) | Equity-classified |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
Outstanding beginning balance, Shares | shares | 174,260
Granted, Shares | shares | 160,223
Vested and settled, Shares | shares | (58,511)
Forfeited, Shares | shares | (9,618)
Outstanding ending balance, Shares | shares | 266,354
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 74.83
Granted, Weighted average grant date fair value (usd per share) | $ / shares | 122.42
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares | 66.08
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares | 83.59
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 105.06
Restricted Share Units | Equity-classified |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
Outstanding beginning balance, Shares | shares | 539,671
Granted, Shares | shares | 322,471
Vested and settled, Shares | shares | (232,451)
Forfeited, Shares | shares | (26,885)
Outstanding ending balance, Shares | shares | 602,806
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 53.64
Granted, Weighted average grant date fair value (usd per share) | $ / shares | 75.76
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares | 53.47
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares | 59.15
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 65.29
Deferred Share Units | Liability-classified |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
Outstanding beginning balance, Shares | shares | 100,560
Granted, Shares | shares | 11,667
Vested and settled, Shares | shares | (3,759)
Forfeited, Shares | shares | 0
Outstanding ending balance, Shares | shares | 108,468
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
Outstanding beginning balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 38.36
Granted, Weighted average grant date fair value (usd per share) | $ / shares | 72.48
Vested and settled, Weighted average grant date fair value (usd per share) | $ / shares | 59.05
Forfeited, Weighted average grant date fair value (usd per share) | $ / shares | 0
Outstanding ending balance, Weighted average grant date fair value (usd per share) | $ / shares | $ 41.31

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- Definition Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other Than Options, Exercises In Period, Weighted Average Grant Date Fair Value + References No definition available. + 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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