Debt Instrument, Redemption Premium

No definition available.

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- Definition

Debt Instrument, Redemption Price, Percentage of Principal Amount Outstanding

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Redemption, Written Notice Period

+ References

No definition available.

+ Details

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- Definition

The repurchase price percentage of the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Unamortized Discount And Deferred Issuance Costs

+ References

No definition available.

+ Details

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- Definition

Issuance Price Percentage of the Debt Instrument

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: 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(a)(1))

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

+ Details

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- Details

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph e

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The difference between the reacquisition price and the net carrying amount of the extinguished debt recognized currently as a component of income in the period of extinguishment, net of tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6401765&loc=d3e13305-112630

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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

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: 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=31042434&loc=d3e3255-108585

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- Details

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Long-Term Debt - Issuance of Debt Securities - 2024 Notes (Details) (USD $)	6 Months Ended		0 Months Ended				1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	May 31, 2013	Mar. 15, 2014	Feb. 13, 2014	Mar. 15, 2015	Feb. 28, 2015	Sep. 30, 2014
Debt Instrument [Line Items]
Proceeds from debt issuance	$ 0	$ 225,000,000
6.25 percent notes due 2024
Debt Instrument [Line Items]
Proceeds from debt issuance			225,000,000
Interest rate	6.25%							6.25%
Percentage of principal amount redeemed	35.00%
6.25 percent notes due 2024 \| Redemption period, equity clawback
Debt Instrument [Line Items]
Redemption price, percentage	106.25%
10.625% Notes Due 2018
Debt Instrument [Line Items]
Redemption price, percentage				105.313%
Notes \| 6.25 percent notes due 2024
Debt Instrument [Line Items]
Principal amount					225,000,000
Term of notes					10 years
Issuance price percentage of the debt instrument					100.00%
Percentage of principal amount outstanding	65.00%
Redemption, written notice period	90 days
Notes \| 6.25 percent notes due 2024 \| 2019
Debt Instrument [Line Items]
Redemption price, percentage	103.125%
Notes \| 6.25 percent notes due 2024 \| 2020
Debt Instrument [Line Items]
Redemption price, percentage	102.083%
Notes \| 6.25 percent notes due 2024 \| 2021
Debt Instrument [Line Items]
Redemption price, percentage	101.042%
Notes \| 6.25 percent notes due 2024 \| 2022 and thereafter
Debt Instrument [Line Items]
Redemption price, percentage	100.00%
Notes \| 10.625% Notes Due 2018
Debt Instrument [Line Items]
Principal amount of convertible notes repurchased						250,000,000
Interest rate						10.625%
Repurchase price percentage						5.313%
Net loss on debt extinguishment						19,000,000
Unamortized discount and deferred issuance costs						6,000,000
Debt redemption premium						13,000,000
Corporate Debt Securities \| 6.25 percent notes due 2024 \| Change in control redemption
Debt Instrument [Line Items]
Redemption price, percentage	101.00%
Corporate Debt Securities \| 10.625% Notes Due 2018
Debt Instrument [Line Items]
Principal amount of convertible notes repurchased			250,000,000
Interest rate			10.625%
Convertible Notes Payable \| 4.0 percent convertible notes due 2027
Debt Instrument [Line Items]
Principal amount of convertible notes repurchased	15,000,000						15,000,000
Interest rate	4.00%						4.00%	4.00%
Repurchase price percentage							6.00%
Net loss on debt extinguishment							$ 1,000,000