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

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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

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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.

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Credit Facilities and Debt Credit Facilities and Debt - 6% Senior Notes due 2024 (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017	Jun. 21, 2016	Oct. 22, 2012	Aug. 14, 2012
Debt Instrument [Line Items]
Long-term Debt	$ 1,936,406	$ 2,185,361
Proceeds from long-term debt, net of issuance costs	0	0	$ 837,482
5.375% Senior Notes due August 15, 2020
Debt Instrument [Line Items]
Long-term Debt	300,000
Senior Notes, Noncurrent	0	298,759			$ 350,000	$ 700,000
6.0% Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Senior Notes, Noncurrent	298,529	$ 298,220		$ 300,000
Proceeds from long-term debt, net of issuance costs	$ 297,500
Change of Control [Member] \| 5.375% Senior Notes due August 15, 2020
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption Price, Percentage	101.00%
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%
Asset Sale [Member] \| 5.375% Senior Notes due August 15, 2020
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption Price, Percentage	100.00%
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%
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%
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
Debt Instrument [Line Items]
Aggregate Principal Amount of Senior Notes, Redemption of Principal Amount, Percentage	50.00%