Debt Instrument, Covenant Terms, Excess Cash Flow

No definition available.

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- Definition

Debt Instrument, Covenant Terms, Net Cash Proceeds

+ References

No definition available.

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- Definition

Percentage Of Initial Principal Payment Amount

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- References

No definition available.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 230
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-Paragraph 14
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Balance Type:	debit
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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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DEBT - Narrative (Details) - USD ($)		3 Months Ended	12 Months Ended
DEBT - Narrative (Details) - USD ($)	Nov. 15, 2018	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Long-term Debt, Unclassified [Abstract]
Repayments of long-term debt			$ 23,313,000	$ 105,326,000	$ 144,375,000
Proceeds from revolving line of credit			150,000,000	0	$ 0
Credit Agreement \| Revolving Credit Facility
Long-term Debt, Unclassified [Abstract]
Repayments of long-term debt			10,000,000.0	$ 100,000,000.0
Credit Agreement \| Revolving Credit Facility \| Term loan
Long-term Debt, Unclassified [Abstract]
Amortization equal quarterly installments of initial principal	0.25%
Credit Agreement \| Revolving Credit Facility \| Term loan \| Level 2
Long-term Debt, Unclassified [Abstract]
Debt, fair value			936,363,000
Credit Agreement \| Revolving Credit Facility \| Term loan \| LIBOR floor
Long-term Debt, Unclassified [Abstract]
Basis spread on variable rate	0.00%
Credit Agreement \| Revolving Credit Facility \| Term loan \| Base rate
Long-term Debt, Unclassified [Abstract]
Basis spread on variable rate	1.00%
Credit Agreement \| Revolving Credit Facility \| Line of credit
Long-term Debt, Unclassified [Abstract]
Line of credit facility, borrowing capacity			$ 0
Debt requirements, annual excess cash flow	50.00%
Debt requirements, net cash proceeds of recovery events and non-ordinary course asset sales	100.00%
Proceeds from revolving line of credit		$ 150,000,000.0
Credit Agreement \| Revolving Credit Facility \| Line of credit \| LIBOR
Long-term Debt, Unclassified [Abstract]
Basis spread on variable rate			1.50%	1.50%
Credit Agreement \| Revolving Credit Facility \| Line of credit \| Base rate
Long-term Debt, Unclassified [Abstract]
Basis spread on variable rate	0.50%
Credit Agreement \| JPMorgan Chase Bank, N.A. \| Revolving Credit Facility
Long-term Debt, Unclassified [Abstract]
Line of credit facility, borrowing capacity	$ 1,265,000,000.0
Credit Agreement \| JPMorgan Chase Bank, N.A. \| Revolving Credit Facility \| Term loan
Long-term Debt, Unclassified [Abstract]
Face amount of debt	1,065,000,000.0
Credit Agreement \| JPMorgan Chase Bank, N.A. \| Revolving Credit Facility \| Line of credit
Long-term Debt, Unclassified [Abstract]
Line of credit facility, borrowing capacity	200,000,000.0
Credit Agreement \| JPMorgan Chase Bank, N.A. \| Letter of credit \| Line of credit
Long-term Debt, Unclassified [Abstract]
Line of credit facility, borrowing capacity	$ 50,000,000.0