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Stock-Based Compensation (Summary of Activity Related to Employee and Director Deferred Share Units) (Details) - DSU Plan - Deferred Share Unit Plans | 12 Months Ended
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Dec. 31, 2024 $ / shares shares
Employee |
Share Unit Plans: Units |
Share Unit Plans: Outstanding, Beginning Balance | shares | 712,963
Share Unit Plans: Granted including DRIP | shares | 86,417
Share Unit Plans: Exercised | shares | (10,292)
Share Unit Plans: Outstanding and exercisable, Ending Balance | shares | 789,088
Share Unit Plans: Weighted Average Grant Date Fair Value |
Share Unit Plans: Weighted Average Grant Date Fair Value: Outstanding, Beginning Balance | $ / shares | $ 42.29
Share Unit Plans: Weighted Average Grant Date Fair Value: Granted including DRIP | $ / shares | 45.20
Share Unit Plans: Weighted Average Grant Date Fair Value: Exercised | $ / shares | 38.77
Share Unit Plans: Weighted Average Grant Date Fair Value: Outstanding and exercisable, Ending Balance | $ / shares | $ 42.65
Director |
Share Unit Plans: Units |
Share Unit Plans: Outstanding, Beginning Balance | shares | 729,058
Share Unit Plans: Granted including DRIP | shares | 134,795
Share Unit Plans: Exercised | shares | (34,997)
Share Unit Plans: Outstanding and exercisable, Ending Balance | shares | 828,856
Share Unit Plans: Weighted Average Grant Date Fair Value |
Share Unit Plans: Weighted Average Grant Date Fair Value: Outstanding, Beginning Balance | $ / shares | $ 46.24
Share Unit Plans: Weighted Average Grant Date Fair Value: Granted including DRIP | $ / shares | 48.98
Share Unit Plans: Weighted Average Grant Date Fair Value: Exercised | $ / shares | 36.04
Share Unit Plans: Weighted Average Grant Date Fair Value: Outstanding and exercisable, Ending Balance | $ / shares | $ 47.12

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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 exercised the right during the reporting period, in accordance with the terms of the arrangement. + References No definition available. + 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 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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