Aggregate Principal Amount of Senior Notes, Redemption Price, Percentage

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- Definition

Aggregate Principal Amount of Senior Notes, Redemption of Principal Amount, Percentage

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

+ 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 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ 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 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Debt and Credit Facilities 6.0% Senior Notes due 2024 (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 21, 2016	Sep. 30, 2015
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	$ 959,860	$ 256,212
6.0% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Senior Notes, Noncurrent	300,000		$ 300,000	$ 0
Proceeds from Issuance of Long-term Debt	297,500
Unamortized Debt Issuance Expense	$ 2,500
Before July 1, 2019 [Member] \| 6.0% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption Price, Percentage	100.00%
Aggregate Principal Amount of Senior Notes, Redemption of Principal Amount, Percentage	35.00%
Before July 1, 2019 [Member] \| 6.0% Senior Notes due 2024 [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption of Principal Amount, Percentage	50.00%
At any time and from time to time before July 1, 2019 [Member] \| 6.0% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption Price, Percentage	106.00%
Asset Sale [Member] \| 6.0% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption Price, Percentage	100.00%
Change of Control [Member] \| 6.0% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption Price, Percentage	101.00%