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Debt - Prior Senior Credit Facilities (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Jun. 30, 2022 | Jul. 01, 2022
Line of Credit Facility [Line Items] |  |  |  |
Debt extinguishment costs | $ (6,835,000) | $ 0 |  |
Revolving Credit Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Aggregate principal amount |  |  |  | $ 350,000,000
Letter of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Aggregate principal amount |  |  |  | $ 50,000,000
Bank of America, N.A. |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Swing loan sub-facility maximum initial borrowing capacity |  |  | $ 20,000,000 |
Bank of America, N.A. | Senior Secured Credit Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Aggregate principal amount |  |  | 2,400,000,000 |
Debt extinguishment costs | $ (17,000,000) |  |  |
Bank of America, N.A. | Term A Loan |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Aggregate principal amount |  |  | $ 1,255,000,000 |
Debt agreement term |  |  | 5 years |
Bank of America, N.A. | Term B Loan |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Aggregate principal amount |  |  | $ 720,000,000 |
Debt agreement term |  |  | 7 years |
Bank of America, N.A. | Revolving Credit Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Aggregate principal amount |  |  | $ 450,000,000 |
Debt agreement term |  |  | 5 years |
Bank of America, N.A. | Letter of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Aggregate principal amount |  |  | $ 25,000,000 |

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- 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 Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- 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 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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