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Cash Flow Information (Tables) | 12 Months Ended
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Sep. 30, 2017
Cash Flow Information [Abstract] |
Supplemental Disclosure Of Cash Flow Information |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | 2017 |  | 2016 |  | 2015
﻿Cash paid during the year for: |  |  |  |  |  |  |  |  |
﻿Interest (net of amounts capitalized) |  | $ | 46,689,266 |  | $ | 46,547,381 |  | $ | 47,059,731
﻿Income taxes |  |  | 28,415,489 |  |  | 20,209,281 |  |  | 37,198,075
﻿Non cash items: |  |  |  |  |  |  |  |  |
﻿Property and equipment additions included in accounts payable |  |  | 7,213,949 |  |  | 7,197,684 |  |  | 1,192,232
﻿

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- References No definition available. + Details
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