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Debt - Additional Information (Details) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2024 USD ($) testingPeriod | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jun. 30, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Debt maturing in next twelve months |  |  | $ 28,600,000 |  |  |
Repayments of Long-term Debt |  |  | 362,500,000 | $ 12,500,000 | $ 88,300,000 |
Senior notes maturing in the next twelve months |  |  | 19,300,000 |  |  |
Other Credit Facilities |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  | 20,800,000 |  |  |
Line of credit facility, amount outstanding |  |  | 0 |  |  |
Line of Credit | Revolving credit facility (Senior Credit Facility) |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  | 900,000,000 |  |  |
Debt, gross |  |  | 9,500,000 | 0 |  |
Remaining borrowing capacity |  |  | $ 890,500,000 |  |  |
Average interest rate at end of period |  |  | 5.533% |  |  |
Leverage ratio covenant |  |  | 3.75 |  |  |
EBITDA ratio covenant |  |  | 3.00 |  |  |
Line of Credit | Revolving credit facility (Senior Credit Facility) | PFSA |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Leverage ratio covenant |  |  | 4.25 |  |  |
Number of testing periods | testingPeriod |  |  | 4 |  |  |
Line of Credit | Revolving credit facility (Senior Credit Facility) | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Covenant, unrestricted cash |  |  | $ 5,000,000.0 |  |  |
Line of Credit | Revolving credit facility (Senior Credit Facility) | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Covenant, unrestricted cash |  |  | 250,000,000.0 |  |  |
Term loans (Senior Credit Facility) | Term Loans, 1.224% due in 2024 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, gross |  |  | 0 | 200,000,000.0 |  |
Line of credit increase limit |  |  | 300,000,000.0 |  |  |
Repayments of Long-term Debt |  |  | 200,000,000.0 |  |  |
Term loans (Senior Credit Facility) | 5-year Term Loan Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, gross |  |  | $ 825,000,000.0 | 987,500,000 |  | $ 1,000,000,000
Installment payments | $ 12,500,000 | $ 6,300,000 |  |  |  |
Average interest rate at end of period |  |  | 5.85% |  |  |
Senior Notes | 5.900% Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, gross |  |  | $ 400,000,000.0 | $ 400,000,000.0 |  |
Average interest rate at end of period |  |  | 5.90% |  |  |
Unsecured Debt | 5-year Term Loan Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, gross |  |  | $ 825,000,000 |  |  |
Repayments of Long-term Debt |  |  | $ 162,500,000 |  |  |

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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. + 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://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/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + 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://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/1943274/2147478546/942-210-S99-1 Reference 3: 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/1943274/2147478777/944-210-S99-1 + Details
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