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Capitalized Interest (Tables) | 6 Months Ended
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Mar. 31, 2017
Interest Costs Incurred [Abstract] |
Rollforward of capitalized interest | The following table summarizes the Company’s interest costs incurred, capitalized and expensed during the three and six months ended March 31, 2017 and 2016:
|  | Three Months Ended March 31, |  | Six Months Ended March 31,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
|  | (In millions)
Capitalized interest, beginning of period |  | $ | 190.0 |  |  | $ | 215.0 |  |  | $ | 191.2 |  |  | $ | 208.0 |
Interest incurred (1) |  | 33.5 |  |  | 40.4 |  |  | 67.0 |  |  | 82.6 |
Interest charged to cost of sales |  | (37.3 | ) |  | (40.9 | ) |  | (72.0 | ) |  | (76.1 | )
Capitalized interest, end of period |  | $ | 186.2 |  |  | $ | 214.5 |  |  | $ | 186.2 |  |  | $ | 214.5 |
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(1) | Interest incurred includes interest incurred on the Company's financial services mortgage repurchase facility of $1.8 million and $3.5 million in the three and six months ended March 31, 2017, respectively, and $1.9 million and $3.5 million in the same periods of fiscal 2016.

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