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Derivative Financial Instruments and Fair Value Measurements - Cash Flow Hedges (Details) - USD ($) $ in Millions	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021
Derivative financial instruments
Fixed Rate (as a percent)	1.349%
Interest Rate Cap
Derivative financial instruments
Notional Amount			$ 300.0
Interest Rate Cap | Maximum
Derivative financial instruments
Fixed Rate (as a percent)			3.50%
Interest Rate Swap
Derivative financial instruments
Notional Amount				$ 400.0
Fixed Rate (as a percent)			3.50%
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap | USD | March 2018
Derivative financial instruments
Notional Amount	$ 200.0	$ 200.0
Fixed Rate (as a percent)	2.60%	2.60%
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap | USD | February 2023
Derivative financial instruments
Notional Amount	$ 400.0	$ 400.0
Fixed Rate (as a percent)	1.349%	1.349%

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

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- Definition

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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