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Debt Facilities - Narrative (Details) |  |  |  |  | 2 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
May 26, 2023 | Dec. 15, 2022 USD ($) | Jan. 31, 2020 USD ($) | Jan. 24, 2020 USD ($) | Dec. 15, 2022 | Jun. 30, 2024 USD ($) extension | Jun. 30, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Payments on term debt agreement |  |  |  |  |  | $ 0 | $ 350,000,000
Term Loan Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | $ 400,000,000.0 |  |  |
Redemption percentage |  |  |  | 1.25% |  |  |
Debt issuance costs |  |  |  | $ 2,200,000 |  |  |
Payments on term debt agreement |  | $ 350,000,000 |  |  |  |  |
Interest Expense, Long-Term Debt |  | $ 3,000,000 |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  | 4.072% |  |
Term Loan Facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.125% |  |  |
Term Loan Facility | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.75% |  |  |
Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 350,000,000.0 |  |  |  |
Conditional increase in borrowing capacity |  |  | $ 150,000,000.0 |  |  |  |
Debt Instrument, Interest Rate, Basis for Effective Rate | 0.10 |  |  |  |  |  |
Number of extensions | extension |  |  |  |  |  | 2 |
Length of extension period |  |  |  |  |  | 1 year |
Long-term line of credit |  |  |  |  |  | $ 0 |
Outstanding line of credit balance |  |  |  |  |  | $ 350,000,000.0 |
Revolving Credit Facility | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 1.125% |  | 1.125% |  |  |  |
Commitment fee percentage |  |  | 0.125% |  |  |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 1.75% |  | 1.75% |  |  |  |
Commitment fee percentage |  |  | 0.30% |  |  |  |
Revolving Credit Facility | Alternate Base Rate | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 0.125% |  | 0.125% |  |  |  |
Revolving Credit Facility | Alternate Base Rate | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 0.75% |  | 0.75% |  |  |  |

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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 + Details
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- Definition Aggregate amount of interest paid or due on all long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph (a) -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph (b) -Subparagraph (1) -Publisher SEC Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.8) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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