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Capitalized Interest (Tables) | 9 Months Ended
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Jun. 30, 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 nine months ended June 30, 2017 and 2016:
|  | Three Months Ended June 30, |  | Nine Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
|  | (In millions)
Capitalized interest, beginning of period |  | $ | 186.2 |  |  | $ | 214.5 |  |  | $ | 191.2 |  |  | $ | 208.0 |
Interest incurred (1) |  | 32.4 |  |  | 35.4 |  |  | 99.4 |  |  | 118.0 |
Interest charged to cost of sales |  | (38.7 | ) |  | (43.3 | ) |  | (110.7 | ) |  | (119.4 | )
Capitalized interest, end of period |  | $ | 179.9 |  |  | $ | 206.6 |  |  | $ | 179.9 |  |  | $ | 206.6 |
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(1) | Interest incurred includes interest on the Company's mortgage repurchase facility of $2.4 million and $5.9 million in the three and nine months ended June 30, 2017, respectively, and $2.4 million and $5.9 million in the same periods of fiscal 2016.

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