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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Sep. 30, 2016
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of restatement of financials from adoption of accounting principle change |
|  | As Reported |  | Adjustments |  | After Voluntary Change in Accounting Principle |
|  | Year Ended September 30, 2015 |
|  | (in thousands) |
Operating revenues |  | $ | 3,165,441 |  | $ | (3,739 | ) | $ | 3,161,702 |
Operating costs, excluding depreciation |  |  | 1,704,163 |  |  | (687 | ) |  | 1,703,476 |
Net income |  |  | 422,225 |  |  | (1,798 | ) |  | 420,427 |
Diluted earnings per common share |  |  | 3.87 |  |  | (0.02 | ) |  | 3.85 |
|  | Year Ended September 30, 2014 |
|  | (in thousands) |
Operating revenues |  | $ | 3,719,707 |  | $ | (3,739 | ) | $ | 3,715,968 |
Operating costs, excluding depreciation |  |  | 2,009,912 |  |  | (3,197 | ) |  | 2,006,715 |
Net income |  |  | 708,719 |  |  | (2,156 | ) |  | 706,563 |
Diluted earnings per common share |  |  | 6.46 |  |  | (0.02 | ) |  | 6.44 |
|  | September 30, 2015 |
|  | (in thousands) |
Total assets |  | $ | 7,152,012 |  | $ | (4,770 | ) | $ | 7,147,242 |
Total liabilities |  |  | 2,254,560 |  |  | (3,164 | ) |  | 2,251,396 |
Total shareholders' equity |  |  | 4,897,452 |  |  | (1,606 | ) |  | 4,895,846 |
Schedule of the location of restricted cash and cash equivalents in the balance sheet |
|  | September 30, |
|  | 2016 |  | 2015 |
|  | (in thousands) |
Prepaid expenses and other |  | $ | 27,631 |  | $ | 29,998 |
Other assets |  | $ | 2,000 |  | $ | 2,000 |
Schedule of rent revenues |
|  | Years Ended September 30, |
|  | 2016 |  | 2015 |  | 2014 |
|  | (in thousands) |
Minimum rents |  | $ | 9,196 |  | $ | 9,608 |  | $ | 9,400 |
Overage and percentage rents |  | $ | 1,211 |  | $ | 1,030 |  | $ | 1,090 |
Schedule of future minimum rental income to be received on noncancelable operating leases | At September 30, 2016, minimum future rental income to be received on noncancelable operating leases was as follows:
Fiscal Year |  | Amount |
|  | (in thousands) |
2016 |  | $ | 7,763 |
2017 |  |  | 6,076 |
2018 |  |  | 4,594 |
2019 |  |  | 4,007 |
2020 |  |  | 2,379 |
Thereafter |  |  | 4,642 |
​ | ​ | ​ | ​ | ​
Total |  | $ | 29,461 |
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
Schedule of cost and accumulated depreciation for real estate properties |
|  | September 30, |
|  | 2016 |  | 2015 |
|  | (in thousands) |
Real estate properties |  | $ | 62,929 |  | $ | 65,466 |
Accumulated depreciation |  |  | (40,777 | ) |  | (43,326 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 22,152 |  | $ | 22,140 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

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- Definition Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22580-107794 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Direct Effects of a Change in Accounting Principle -URI http://asc.fasb.org/extlink&oid=66092750 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Indirect Effects of a Change in Accounting Principle -URI http://asc.fasb.org/extlink&oid=6515603 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accounting Change -URI http://asc.fasb.org/extlink&oid=6503790 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22499-107794 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.10-01.(b)(6)) -URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22583-107794 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Change in Accounting Principle -URI http://asc.fasb.org/extlink&oid=6507316 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Retrospective Application -URI http://asc.fasb.org/extlink&oid=6523989 + Details
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- Definition Tabular disclosure of lessor's property under leasing agreements and property available for lease (not currently under lease) by property class, the gross amount, accumulated depreciation and net amount of as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718 + Details
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- Definition Tabular disclosure of the cash and cash items which are restricted as to withdrawal or usage. The provisions of any restrictions are described in a note to the financial statements. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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