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INCOME TAXES - Net Provisions for Income Taxes (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Federal |  |  |
Current | $ 0.3 | $ (4.2) | $ (3.8)
Deferred | 30.6 | 19.9 | 26.3
Investment tax credits | (0.2) | (0.2) | (0.2)
State and local |  |  |
Current | 0.6 | (0.3) | (0.4)
Deferred | 1.0 | 2.4 | 4.4
Total Income Tax Expense | 32.3 | 17.6 | 26.3
Laclede Gas |  |  |
Federal |  |  |
Current | (0.1) | (6.6) | (11.3)
Deferred | 34.3 | 20.1 | 27.1
Investment tax credits | (0.2) | (0.2) | (0.2)
State and local |  |  |
Current | 0 | (1.0) | (1.8)
Deferred | 1.5 | 2.3 | 4.6
Total Income Tax Expense | $ 35.5 | $ 14.6 | $ 18.4

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