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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions | Total | Spire Missouri | Spire Alabama | Common Stock | Common Stock Spire Missouri | Common Stock Spire Alabama | Preferred Stock | Paid-in Capital | Paid-in Capital Spire Missouri | Paid-in Capital Spire Alabama | Retained Earnings | Retained Earnings Spire Missouri | Retained Earnings Spire Alabama | AOCI | [1] | AOCI Spire Missouri | [1]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
BALANCE at Sep. 30, 2017 | $ 1,991.3 | $ 1,171.0 | $ 867.4 | $ 48.3 | $ 0.1 |  |  | $ 1,325.6 | $ 756.1 | $ 420.9 | $ 614.2 | $ 416.5 | $ 446.5 | $ 3.2 | $ (1.7)
BALANCE (in shares) at Sep. 30, 2017 |  |  |  | 48,263,243 | 24,577 | 1,972,052 |  |  |  |  |  |  |  |  |
Stockholders' Equity Rollforward |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income | 214.2 | 129.3 | 1.3 |  |  |  |  |  |  |  | 214.2 | 129.3 | 1.3 |  |
Common stock issued | 153.0 |  |  | $ 2.3 |  |  |  | 150.7 |  |  |  |  |  |  |
Common stock issued (in shares) |  |  |  | 2,300,000 |  |  |  |  |  |  |  |  |  |  |
Dividend reinvestment plan | 1.6 |  |  |  |  |  |  | 1.6 |  |  |  |  |  |  |
Dividend reinvestment plan (in shares) |  |  |  | 23,023 |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation costs | 7.7 | 4.2 |  |  |  |  |  | 7.7 | 4.2 |  |  |  |  |  |
Stock issued under stock-based compensation plans |  |  |  | $ 0.1 |  |  |  | (0.1) |  |  |  |  |  |  |
Stock issued under stock-based compensation plans (in shares) |  |  |  | 119,592 |  |  |  |  |  |  |  |  |  |  |
Employees’ tax withholding for stock-based compensation | (2.8) |  |  |  |  |  |  | (2.8) |  |  |  |  |  |  |
Employee's tax withholding for stock-based compensation (in shares) |  |  |  | (33,955) |  |  |  |  |  |  |  |  |  |  |
Dividends declared on common stock | (112.1) | (45.0) | (30.0) |  |  |  |  |  |  |  | (112.1) | (45.0) | (30.0) |  |
Other comprehensive income (loss), net of tax | 2.5 | 0.4 |  |  |  |  |  |  |  |  |  |  |  | 2.5 | 0.4
Return of capital to Spire |  |  | (30.0) |  |  |  |  |  |  | (30.0) |  |  |  |  |
Reclassification of certain income tax effects |  |  |  |  |  |  |  |  |  |  | (0.7) | 0.3 |  | 0.7 | (0.3)
BALANCE at Sep. 30, 2018 | 2,255.4 | 1,259.9 | 808.7 | $ 50.7 | $ 0.1 |  |  | 1,482.7 | 760.3 | 390.9 | 715.6 | 501.1 | 417.8 | 6.4 | (1.6)
BALANCE (in shares) at Sep. 30, 2018 |  |  |  | 50,671,903 | 24,577 | 1,972,052 |  |  |  |  |  |  |  |  |
Stockholders' Equity Rollforward |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income | 184.6 | 115.0 | 60.3 |  |  |  |  |  |  |  | 184.6 | 115.0 | 60.3 |  |
Common stock issued | 14.4 |  |  | $ 0.2 |  |  |  | 14.2 |  |  |  |  |  |  |
Common stock issued (in shares) |  |  |  | 179,630 |  |  |  |  |  |  |  |  |  |  |
Dividend reinvestment plan | 5.1 |  |  |  |  |  |  | 5.1 |  |  |  |  |  |  |
Dividend reinvestment plan (in shares) |  |  |  | 62,735 |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation costs | 6.2 | 4.7 |  |  |  |  |  | 6.2 | 4.7 |  |  |  |  |  |
Stock issued under stock-based compensation plans |  |  |  | $ 0.1 |  |  |  | (0.1) |  |  |  |  |  |  |
Stock issued under stock-based compensation plans (in shares) |  |  |  | 87,978 |  |  |  |  |  |  |  |  |  |  |
Employees’ tax withholding for stock-based compensation | (2.3) |  |  |  |  |  |  | (2.3) |  |  |  |  |  |  |
Employee's tax withholding for stock-based compensation (in shares) |  |  |  | (28,731) |  |  |  |  |  |  |  |  |  |  |
Temporary equity adjustment to redemption value | (0.8) |  |  |  |  |  |  |  |  |  | (0.8) |  |  |  |
Preferred stock issued | 242.0 |  |  |  |  |  | $ 242.0 |  |  |  |  |  |  |  |
Dividends declared on common stock | (120.5) | (39.5) | (19.0) |  |  |  |  |  |  |  | (120.5) | (39.5) | (19.0) |  |
Dividends declared on preferred stock | (3.4) |  |  |  |  |  |  |  |  |  | (3.4) |  |  |  |
Other comprehensive income (loss), net of tax | (37.7) | (0.8) |  |  |  |  |  |  |  |  |  |  |  | (37.7) | (0.8)
Return of capital to Spire |  |  | (20.0) |  |  |  |  |  |  | (20.0) |  |  |  |  |
BALANCE at Sep. 30, 2019 | 2,543.0 | 1,339.3 | 830.0 | $ 51.0 | $ 0.1 |  | 242.0 | 1,505.8 | 765.0 | 370.9 | 775.5 | 576.6 | 459.1 | (31.3) | (2.4)
BALANCE (in shares) at Sep. 30, 2019 |  |  |  | 50,973,515 | 24,577 | 1,972,052 |  |  |  |  |  |  |  |  |
Stockholders' Equity Rollforward |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income | 88.6 | 130.2 | 65.7 |  |  |  |  |  |  |  | 88.6 | 130.2 | 65.7 |  |
Common stock issued | 32.0 |  |  | $ 0.4 |  |  |  | 31.6 |  |  |  |  |  |  |
Common stock issued (in shares) |  |  |  | 446,619 |  |  |  |  |  |  |  |  |  |  |
Dividend reinvestment plan | 9.2 |  |  | $ 0.1 |  |  |  | 9.1 |  |  |  |  |  |  |
Dividend reinvestment plan (in shares) |  |  |  | 122,545 |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation costs | 6.0 |  |  |  |  |  |  | 6.0 |  |  |  |  |  |  |
Stock issued under stock-based compensation plans |  |  |  | $ 0.1 |  |  |  | (0.1) |  |  |  |  |  |  |
Stock issued under stock-based compensation plans (in shares) |  |  |  | 110,463 |  |  |  |  |  |  |  |  |  |  |
Employees’ tax withholding for stock-based compensation | (3.2) |  |  |  |  |  |  | (3.2) |  |  |  |  |  |  |
Employee's tax withholding for stock-based compensation (in shares) |  |  |  | (41,353) |  |  |  |  |  |  |  |  |  |  |
Temporary equity adjustment to redemption value | 3.4 |  |  |  |  |  |  |  |  |  | 3.4 |  |  |  |
Dividends declared on common stock | (128.4) | (33.9) | (24.0) |  |  |  |  |  |  |  | (128.4) | (33.9) | (24.0) |  |
Dividends declared on preferred stock | (18.4) |  |  |  |  |  |  |  |  |  | (18.4) |  |  |  |
Other comprehensive income (loss), net of tax | (9.9) | (0.5) |  |  |  |  |  |  |  |  |  |  |  | (9.9) | (0.5)
Return of capital to Spire |  |  | (20.0) |  |  |  |  |  |  | (20.0) |  |  |  |  |
BALANCE at Sep. 30, 2020 | $ 2,522.3 | $ 1,435.1 | $ 851.7 | $ 51.6 | $ 0.1 |  | $ 242.0 | $ 1,549.2 | $ 765.0 | $ 350.9 | $ 720.7 | $ 672.9 | $ 500.8 | $ (41.2) | $ (2.9)
BALANCE (in shares) at Sep. 30, 2020 |  |  |  | 51,611,789 | 24,577 | 1,972,052 |  |  |  |  |  |  |  |  |
[1] | Accumulated other comprehensive income (loss)

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