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Indebtedness - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2024	Dec. 07, 2023	Dec. 22, 2021
Line of Credit Facility [Line Items]
Revolving loan maximum borrowing capacity			$ 215.0
Debt instrument, margin spread on LIBOR Rate	2.25%
Credit Facility [Domain] | Line of Credit
Line of Credit Facility [Line Items]
Debt instrument, covenant, leverage ratio, minimum	3.00
Debt instrument, covenant, liquidity ratio, total net leverage ratio	3.00
Debt instrument, covenant, holiday, exception	3.50
Debt Instrument, Covenant, Total Net Leverage Ratio, Unrestricted Cash, Maximum	$ 50.0
Prior Credit Facility
Line of Credit Facility [Line Items]
Debt issuance costs		$ 9.7
December 7, 2023 Credit Agreement
Line of Credit Facility [Line Items]
Debt issuance costs		1.3
Term loan
Line of Credit Facility [Line Items]
Revolving loan maximum borrowing capacity			350.0
Weighted average interest rate on debt	6.83%
Term loan | Base Rate | Federal Funds Rate
Line of Credit Facility [Line Items]
Debt instrument, margin spread on LIBOR Rate	0.50%
Term loan | Base Rate | LIBOR
Line of Credit Facility [Line Items]
Debt instrument, margin spread on LIBOR Rate	1.00%
Revolving loan
Line of Credit Facility [Line Items]
Revolving loan maximum borrowing capacity		250.0	35.0
Line of credit facility, accordion feature, increase limit		95.0
Line of credit facility, unused capacity, commitment fee percentage	0.25%
Revolving loan | Minimum
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage	0.20%
Revolving loan | Maximum
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage	0.35%
Revolving loan | Benchmark Rate | Minimum
Line of Credit Facility [Line Items]
Debt instrument, margin spread on LIBOR Rate	1.75%
Revolving loan | Benchmark Rate | Maximum
Line of Credit Facility [Line Items]
Debt instrument, margin spread on LIBOR Rate	2.75%
Revolving loan | Base Rate | Minimum
Line of Credit Facility [Line Items]
Debt instrument, margin spread on LIBOR Rate	0.75%
Revolving loan | Base Rate | Maximum
Line of Credit Facility [Line Items]
Debt instrument, margin spread on LIBOR Rate	1.75%
Letter of Credit
Line of Credit Facility [Line Items]
Revolving loan maximum borrowing capacity		$ 10.0	10.0
Swingline Credit Facility
Line of Credit Facility [Line Items]
Revolving loan maximum borrowing capacity			$ 10.0

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- Definition

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
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-Section 45
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
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-Name Accounting Standards Codification
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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