Stock-Based Compensation Plans (Summary Of LTIP Awards Outstanding) (Details) - Long-Term Incentive Plans [Member] - shares	Oct. 06, 2023	Oct. 14, 2022	Feb. 04, 2022	Oct. 18, 2019
2024 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares	26,749
Qualified Adjusted EBITDA Shares, Minimum	40,114
Qualified Adjusted EBITDA Shares, Target	80,217
Qualified Adjusted EBITDA Shares, Maximum	160,434
End Of Service Period	Aug. 31, 2026
2023 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares		25,767
Qualified Adjusted EBITDA Shares, Minimum		38,646
Qualified Adjusted EBITDA Shares, Target		77,275
Qualified Adjusted EBITDA Shares, Maximum		154,550
End Of Service Period		Aug. 31, 2025
2022 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares			23,764
Qualified Adjusted EBITDA Shares, Minimum			35,638
Qualified Adjusted EBITDA Shares, Target			71,275
Qualified Adjusted EBITDA Shares, Maximum			142,550
End Of Service Period			Aug. 31, 2024
2020 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares				23,701
Qualified Adjusted EBITDA Shares, Minimum				24,705
Qualified Adjusted EBITDA Shares, Target				49,410
Qualified Adjusted EBITDA Shares, Maximum				98,820
Subscription Sales				42,347
End Of Service Period				Aug. 31, 2024