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- Definition

Debt Instrument, Covenant, Leverage Ratio

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Debt price as percentage of par value.

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

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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

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No definition available.

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

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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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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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Fair value amount of debt instrument that was repurchased.

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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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Amount, after 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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Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

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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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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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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)	Mar. 03, 2021 USD ($)	Jun. 30, 2020 USD ($)	Sep. 24, 2019 USD ($)	Sep. 20, 2016 USD ($)	May 20, 2015 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 29, 2020 USD ($)	Sep. 20, 2016 EUR (€)	Feb. 28, 2015 USD ($)	Dec. 04, 2014 USD ($)
Debt Instrument [Line Items]
Debt issuance costs						$ 35,600,000	$ 36,500,000
Gain from extinguishment of Salus CLO debt						0	76,200,000	$ 0
Long-term debt						2,440,900,000
Salus \| Collateralized Loan Obligations
Debt Instrument [Line Items]
Aggregate notional principle amount											$ 578,500,000
Variable Interest Entity, Not Primary Beneficiary
Debt Instrument [Line Items]
Unamortized discount							100,000
Debt issuance costs, gross							700,000
Gain from extinguishment of Salus CLO debt						$ 76,200,000
Long-term debt							$ 77,000,000
Term Loan Facility, variable rate, due March 3, 2028
Debt Instrument [Line Items]
Stated interest rate						2.50%
5.50% Notes, due July 15, 2030
Debt Instrument [Line Items]
Stated interest rate						5.50%	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
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
Repurchase amount						$ 550,000,000
Gain (loss) on extinguishment of debt, before write off of debt issuance costs						17,700,000
Write off of deferred debt issuance costs						$ 5,700,000
6.125% Notes, due December 15, 2024
Debt Instrument [Line Items]
Stated interest rate						6.125%	6.10%					6.125%
Aggregate borrowing amount												$ 250,000,000
Debt issuance costs, gross												$ 4,600,000
Repurchase amount						$ 250,000,000
Gain (loss) on extinguishment of debt, before write off of debt issuance costs						5,700,000
Write off of deferred debt issuance costs						$ 2,100,000
Senior Notes \| Notes 3.875% Due July March 15, 2031
Debt Instrument [Line Items]
Stated interest rate	3.875%
Aggregate borrowing amount	$ 500,000,000
Debt issuance costs, gross	$ 7,600,000
Senior Notes \| Notes 3.875% Due July March 15, 2031 \| Prior to July 15, 2025
Debt Instrument [Line Items]
Redemption price percentage	100.00%
Senior Notes \| Notes 3.875% Due July March 15, 2031 \| Before July, 2023
Debt Instrument [Line Items]
Redemption price percentage	35.00%
Senior Notes \| 5.50% Notes, due July 15, 2030
Debt Instrument [Line Items]
Stated interest rate		5.50%
Aggregate borrowing amount		$ 300,000,000
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%
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%
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%
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility		$ 600,000,000							$ 890,000,000
Debt issuance costs		$ 3,500,000
Maximum total leverage ratio						0.060
Aggregate borrowing availability						$ 575,400,000
Outstanding letters of credit						$ 24,600,000
Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Percentage over base variable rate		0.75%				0.75%
Revolving Credit Facility \| Minimum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Percentage over base variable rate						1.75%
Revolving Credit Facility \| Minimum \| Base Rate
Debt Instrument [Line Items]
Percentage over base variable rate						0.75%
Revolving Credit Facility \| Maximum \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Percentage over base variable rate						2.75%
Revolving Credit Facility \| Maximum \| Base Rate
Debt Instrument [Line Items]
Percentage over base variable rate						1.75%
Line of Credit \| Term Loan Facility, variable rate, due March 3, 2028
Debt Instrument [Line Items]
Revolving credit facility	$ 400,000,000
Unamortized discount	1,000,000
Debt issuance costs	$ 5,100,000
Line of Credit \| London Interbank Offered Rate (LIBOR) \| Term Loan Facility, variable rate, due March 3, 2028
Debt Instrument [Line Items]
Percentage over base variable rate	2.00%
Line of Credit \| Base Rate \| Term Loan Facility, variable rate, due March 3, 2028
Debt Instrument [Line Items]
Percentage over base variable rate	1.00%
Line of Credit \| Minimum \| London Interbank Offered Rate (LIBOR) \| Term Loan Facility, variable rate, due March 3, 2028
Debt Instrument [Line Items]
Percentage over base variable rate	0.50%