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Capitalized Interest (Tables) | 6 Months Ended
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Mar. 31, 2021
Capitalized Interest [Abstract] |
Capitalized Interest Costs [Table Text Block] | The following table summarizes the Company’s interest costs incurred, capitalized and expensed during the three and six months ended March 31, 2021 and 2020.
| Three Months Ended March 31, |  | Six Months Ended March 31,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (In millions)
Capitalized interest, beginning of period | $ | 51.0 |  |  | $ | 29.8 |  |  | $ | 48.7 |  |  | $ | 23.7 |
Interest incurred | 11.5 |  |  | 10.6 |  |  | 23.0 |  |  | 20.5 |
Interest charged to cost of sales | (8.2) |  |  | (2.5) |  |  | (17.4) |  |  | (6.3) |
Capitalized interest, end of period | $ | 54.3 |  |  | $ | 37.9 |  |  | $ | 54.3 |  |  | $ | 37.9 |

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- Definition [Table Text Block] for Capitalized Interest Costs [Table] + References No definition available. + Details
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