Capitalized Debt Issuance Costs

No definition available.

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- Definition

Debt Instrument, Covenant, Leverage Ratio

+ References

No definition available.

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- Definition

Debt instrument redemption notice period.

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No definition available.

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- Definition

Debt price as percentage of par value.

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No definition available.

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- Definition

Minimum percentage of aggregate outstanding principal amount to declare acceleration of debt in case of default.

+ References

No definition available.

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- Definition

Percentage of aggregate principal amount of debt that issuer may redeem with cash equal to net proceeds Issuer raises in equity offerings at specified redemption prices.

+ References

No definition available.

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- Definition

Percentage of holders of aggregate outstanding principal amount to declare acceleration of amounts due in any event of default.

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No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Amount of assets pledged to secure a debt instrument.

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

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- Definition

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

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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.

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

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Percentage of principal amount of debt redeemed.

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

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No definition available.

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Amount, after accumulated amortization, of debt discount.

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Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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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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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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

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Debt - Narrative (Details)									12 Months Ended
Debt - Narrative (Details)	Jun. 30, 2020 USD ($)	Nov. 15, 2019 USD ($)	Sep. 24, 2019 USD ($)	Mar. 21, 2019 USD ($)	Sep. 20, 2016 USD ($)	May 20, 2015 USD ($)	Dec. 04, 2014 USD ($)	Dec. 17, 2012 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jun. 29, 2020 USD ($)	Nov. 15, 2017	Sep. 20, 2016 EUR (€)	Feb. 28, 2015 USD ($)
Debt Instrument [Line Items]
Gain (loss) from extinguishment of debt									$ 76,200,000	$ 0	$ 0
Long-term debt									2,352,300,000
Variable Interest Entity, Not Primary Beneficiary
Debt Instrument [Line Items]
Debt issuance costs, gross									700,000
Long-term debt									77,000,000.0
Unamortized discount									100,000
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility	$ 600,000,000.0											$ 890,000,000.0
Debt issuance costs	$ 3,500,000
Aggregate borrowing availability									579,300,000
Outstanding letters of credit									$ 20,700,000
Stated interest rate									0.00%
5.50% Notes, due July 15, 2030
Debt Instrument [Line Items]
Stated interest rate									5.50%
5.00% Notes, due October 1, 2029
Debt Instrument [Line Items]
Stated interest rate			5.00%						5.00%	5.00%
Aggregate borrowing amount			$ 300,000,000.0
Minimum percentage of aggregate outstanding principal amount to declare acceleration of debt in case of default									25.00%
Capitalized debt issuance costs			$ 4,100,000
4.00% Notes, due October 1, 2026
Debt Instrument [Line Items]
Stated interest rate									4.00%	4.00%				4.00%
Aggregate borrowing amount \| €														€ 425,000,000
Minimum percentage of aggregate outstanding principal amount to declare acceleration of debt in case of default														25.00%
Capitalized debt issuance costs					$ 7,700,000
5.75% Notes, due July 15, 2025
Debt Instrument [Line Items]
Stated interest rate						5.75%			5.75%	5.80%
Aggregate borrowing amount						$ 1,000,000,000
Capitalized debt issuance costs						$ 19,700,000
6.125% Notes, due December 15, 2024
Debt Instrument [Line Items]
Stated interest rate							6.125%		6.125%	6.10%
Aggregate borrowing amount							$ 250,000,000
Capitalized debt issuance costs							$ 4,600,000
6.625% Notes, due November 15, 2022
Debt Instrument [Line Items]
Stated interest rate			6.625%	6.625%				6.625%	6.625%	6.60%			6.625%
Aggregate borrowing amount				$ 570,000,000.0				$ 570,000,000
Percentage of aggregate principal amount of debt that issuer may redeem with cash equal to net proceeds issuer raises in equity offerings at specified redemption prices			58.80%
Repayment of notes				285,000,000.0
Gain (loss) from extinguishment of debt			$ (4,600,000)	(9,600,000)
Repayment of premium on debt			2,900,000	6,300,000
Write-off of deferred financing costs			1,700,000	$ 3,300,000
Repurchased aggregate principal amount			$ 167,600,000
Minimum \| Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Percentage over base variable rate	0.75%								1.75%
Minimum \| Revolving Credit Facility \| Base Rate
Debt Instrument [Line Items]
Percentage over base variable rate									0.75%
Minimum \| 5.75% Notes, due July 15, 2025
Debt Instrument [Line Items]
Percentage of aggregate principal amount of debt that issuer may redeem with cash equal to net proceeds issuer raises in equity offerings at specified redemption prices						35.00%
Percentage of holders of aggregate outstanding principal amount to declare acceleration of amounts due in any event of default									25.00%
Minimum \| 6.125% Notes, due December 15, 2024
Debt Instrument [Line Items]
Percentage of holders of aggregate outstanding principal amount to declare acceleration of amounts due in any event of default							25.00%
Minimum \| 6.625% Notes, due November 15, 2022
Debt Instrument [Line Items]
Debt redemption notice period								30 days
Maximum \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum total leverage ratio									0.060
Maximum \| Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Percentage over base variable rate									2.75%
Maximum \| Revolving Credit Facility \| Base Rate
Debt Instrument [Line Items]
Percentage over base variable rate									1.75%
Maximum \| 5.00% Notes, due October 1, 2029
Debt Instrument [Line Items]
Debt price as percentage of par value	100.00%
Percentage of aggregate principal amount of debt that issuer may redeem with cash equal to net proceeds issuer raises in equity offerings at specified redemption prices	35.00%
Maximum \| 4.00% Notes, due October 1, 2026
Debt Instrument [Line Items]
Debt price as percentage of par value														100.00%
Percentage of aggregate principal amount of debt that issuer may redeem with cash equal to net proceeds issuer raises in equity offerings at specified redemption prices									35.00%
Maximum \| 5.75% Notes, due July 15, 2025
Debt Instrument [Line Items]
Debt price as percentage of par value						100.00%
Maximum \| 6.125% Notes, due December 15, 2024
Debt Instrument [Line Items]
Debt price as percentage of par value							100.00%
Percentage of aggregate principal amount of debt that issuer may redeem with cash equal to net proceeds issuer raises in equity offerings at specified redemption prices							35.00%
Maximum \| 6.625% Notes, due November 15, 2022
Debt Instrument [Line Items]
Debt redemption notice period								60 days
Senior Notes \| 5.50% Notes, due July 15, 2030
Debt Instrument [Line Items]
Stated interest rate	5.50%
Aggregate borrowing amount	$ 300,000,000.0
Debt issuance costs, gross	$ 6,200,000
Senior Notes \| 5.50% Notes, due July 15, 2030 \| Prior to July 15, 2025
Debt Instrument [Line Items]
Redemption price percentage	100.00%
Senior Notes \| 5.50% Notes, due July 15, 2030 \| Before July, 2023
Debt Instrument [Line Items]
Redemption price, percentage of principal amount redeemed	35.00%
Unsecured Debt \| 6.625% Notes, due November 15, 2022
Debt Instrument [Line Items]
Stated interest rate		6.625%
Gain (loss) from extinguishment of debt		$ (2,600,000)
Write-off of deferred financing costs									$ 1,100,000
Long-term debt, gross		$ 117,400,000
Salus \| Collateralized Loan Obligations
Debt Instrument [Line Items]
Aggregate notional principle amount															$ 578,500,000