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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Section 55
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Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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-Publisher FASB
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-Topic 225
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Debt (Details) - USD ($)		1 Months Ended	3 Months Ended			9 Months Ended
Debt (Details) - USD ($)	Jun. 27, 2016	Jun. 30, 2016	Sep. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Debt Instrument [Line Items]
Loss on extinguishments of debt		$ 37,086,000		$ 37,086,000	$ 0	$ 37,086,000	$ 0
Tender premium		29,676,000
Write-off of debt issuance costs		$ 6,748,000
Scenario, Forecast
Debt Instrument [Line Items]
Loss on extinguishments of debt			$ 12,000,000
Senior Notes
Debt Instrument [Line Items]
Principal amount	$ 1,270,001,000
Aggregate principal amount of Tendered Notes redeemed	917,143,000
Senior Notes \| 5.625% Senior Notes due May 2024
Debt Instrument [Line Items]
Principal amount	$ 675,000,000
Stated interest rate	5.625%
Senior Notes \| 5.875% Senior Notes due August 2026
Debt Instrument [Line Items]
Principal amount	$ 675,000,000
Stated interest rate	5.875%
Senior Notes \| 6.50% Senior Notes due May 2021
Debt Instrument [Line Items]
Principal amount	$ 270,001,000
Stated interest rate		6.50%		6.50%		6.50%
Aggregate principal amount of Tendered Notes redeemed	203,476,000
Senior Notes \| 6.75% Senior Notes due May 2020
Debt Instrument [Line Items]
Principal amount	550,000,000
Stated interest rate		6.75%		6.75%		6.75%
Aggregate principal amount of Tendered Notes redeemed	406,946,000
Senior Notes \| 6.25% Senior Notes due August 2019
Debt Instrument [Line Items]
Principal amount	450,000,000
Stated interest rate		6.25%		6.25%		6.25%
Aggregate principal amount of Tendered Notes redeemed	$ 306,721,000