| Fiscal period | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|
| Period End Date | 9/30/2024 | 9/30/2023 | 9/30/2022 | 9/30/2021 | 9/30/2020 | 9/30/2019 | 9/30/2018 | 9/30/2017 | 9/30/2016 | 9/30/2015 |
|---|
| Operating Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating revenues : Utility segment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating revenues : Nonregulated segment | -- | -- | -- | -- | -- | -- | -- | -- | 1,066.36 | 1,472.21 |
| Operating revenues : Regulated transmission and storage segment | -- | -- | -- | -- | -- | -- | -- | -- | 408.83 | 370.11 |
| Operating revenues : Pipeline, storage and other segment | 938.03 | 785.17 | 693.66 | 637.35 | 609.34 | 567.02 | 507.71 | 457.03 | -- | -- |
| Operating revenues : Natural gas marketing segment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating revenues : Natural gas distribution segment | 3,915.14 | 4,099.69 | 4,035.19 | 3,241.97 | 2,626.99 | 2,745.46 | 3,003.05 | 2,649.18 | 2,291.87 | 2,763.84 |
| Gas trading margin | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating revenues : Intersegment eliminations | (687.98) | (609.51) | (527.19) | (471.83) | (415.20) | (410.64) | (395.21) | (346.47) | (417.11) | (464.02) |
| Operating revenues : Other nonutility segment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total revenues | 4,165.19 | 4,275.36 | 4,201.66 | 3,407.49 | 2,821.14 | 2,901.85 | 3,115.55 | 2,759.74 | 3,349.95 | 4,142.14 |
| Nonregulated segment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Utility segment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Natural gas marketing segment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Pipeline and storage segment | 0.15 | (1.22) | (1.58) | 1.58 | 1.55 | (0.36) | 1.98 | 2.51 | -- | -- |
| Purchased gas cost | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other nonutility segment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Purchased gas cost : Natural gas distribution segment | 1,620.52 | 2,061.92 | 2,210.30 | 1,501.70 | 1,071.23 | 1,268.59 | 1,559.84 | 1,269.46 | 1,019.06 | 1,526.26 |
| Purchased gas cost : Nonregulated segment | -- | -- | -- | -- | -- | -- | -- | -- | 1,002.57 | 1,399.35 |
| Purchased gas cost : Intersegment eliminations | (686.97) | (608.53) | (526.06) | (470.56) | (413.92) | (409.39) | (393.97) | (346.43) | (416.58) | (463.49) |
| Gross profit | -- | -- | -- | -- | -- | -- | -- | -- | 1,744.90 | 1,680.02 |
| Maintenance | -- | -- | -- | -- | -- | -- | 599.60 | -- | -- | -- |
| Operation and maintenance | 819.14 | 764.91 | 710.16 | 679.02 | 629.60 | 630.31 | -- | 546.80 | 560.77 | 541.87 |
| Operation | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Depreciation and amortization | 669.97 | 604.33 | 535.66 | 477.98 | 429.83 | 391.46 | 361.08 | 319.45 | 293.10 | 274.80 |
| Taxes, other than income | 387.02 | 386.80 | 352.21 | 312.78 | 278.76 | 275.19 | 263.89 | 240.41 | 223.02 | 231.96 |
| Asset impairments | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment of long-lived assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Operating Expenses | -- | -- | -- | -- | -- | -- | -- | -- | 1,076.88 | 1,048.62 |
| Operating income (loss) | 1,355.36 | -- | 920.98 | 905.00 | 824.10 | 746.06 | 723.13 | -- | 668.02 | 631.40 |
| Interest charges | 190.63 | 137.28 | 102.81 | 83.55 | 84.47 | 103.15 | 106.65 | 120.18 | 115.95 | 116.24 |
| Equity in earnings of Woodward Marketing, L.L.C | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other income (expense) | 71.05 | 69.78 | 33.74 | (2.15) | 7.17 | 7.40 | -- | -- | -- | -- |
| Miscellaneous income, net | -- | -- | -- | -- | -- | -- | (5.34) | (3.27) | (1.59) | (4.39) |
| Pre-Tax Income | 1,235.78 | 999.64 | 851.91 | 819.30 | 746.80 | 650.31 | 611.14 | 604.09 | 550.48 | 510.77 |
| Investment tax credits | -- | -- | -- | -- | -- | -- | -- | -- | (0.01) | (0.01) |
| Income tax expense (benefit) | 192.88 | 113.78 | 77.51 | 153.74 | 145.35 | 138.90 | 8.08 | 221.38 | 200.37 | 195.69 |
| Current : State | 13.96 | 13.55 | -- | -- | -- | -- | -- | -- | 6.82 | 7.25 |
| Deferred : Federal | 150.24 | 83.24 | -- | 128.87 | -- | -- | -- | -- | 181.79 | 175.90 |
| Current : Federal | 5.76 | (1.27) | -- | 0.25 | -- | -- | -- | -- | -- | -- |
| Deferred : State | 22.91 | 18.26 | -- | 24.62 | -- | -- | -- | -- | 11.77 | 12.55 |
| Income/(Loss) from continuing operations | -- | -- | -- | -- | -- | 511.41 | 603.06 | 382.71 | 350.10 | 315.08 |
| Gain on sale of discontinued operations, net of tax | -- | -- | -- | -- | -- | -- | -- | 10.99 | -- | -- |
| Income/(Loss) from discontinued operations, net of tax | -- | -- | -- | -- | -- | -- | -- | 2.72 | -- | -- |
| Income Before Extraordinary Income & Accounting Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Less: Income allocated to participating securities | -- | -- | -- | -- | -- | 0.42 | -- | -- | 0.55 | -- |
| Net Income (Loss) available to limited partners shareholders | 1,042.90 | 885.86 | 774.40 | 665.56 | 601.44 | 510.99 | 603.06 | 396.42 | 349.56 | 315.08 |
| Earning Per Share (Basic) - Cont Ops | -- | -- | -- | -- | -- | 4.36 | 5.43 | 3.60 | -- | 3.09 |
| Earning Per Share (Basic) - Disc Ops | -- | -- | -- | -- | -- | -- | -- | 0.13 | -- | -- |
| Earning Per Share (Basic) - Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| NET EARNINGS PER SHARE (BASIC) | 6.83 | 6.10 | 5.61 | 5.12 | 4.89 | 4.36 | 5.43 | 3.73 | 3.38 | 3.09 |
| Earning Per Share (Diluted) - Cont Ops | -- | -- | -- | -- | -- | 4.35 | 5.43 | 3.60 | -- | 3.09 |
| Earning Per Share (Diluted) - Disc Ops | -- | -- | -- | -- | -- | -- | -- | 0.13 | -- | -- |
| Earning Per Share (Diluted) - Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| NET EARNINGS PER SHARE (DILUTED) | 6.83 | 6.10 | 5.60 | 5.12 | 4.89 | 4.35 | 5.43 | 3.73 | 3.38 | 3.09 |
| Weighted Average Shares Outstanding (Basic) | 152.51 | 145.12 | 137.83 | 129.78 | 122.79 | 117.20 | 111.01 | 106.10 | 103.52 | 101.89 |
| Weighted Average Shares Outstanding (Diluted) | 152.67 | 145.17 | 138.10 | 129.83 | 122.87 | 117.46 | 111.01 | 106.10 | 103.52 | 101.89 |