Derivative Instruments and Hedging Activities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net	$ 0.0
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net	15.6	$ 1.7
Fair Value Hedging \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net		0.4
Interest Rate Swap \| Fair Value Hedging \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	0.0	5.0
Treasury Lock \| Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	202.5	0.0
Reverse Treasury Lock \| Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	$ 0.0	$ 100.0

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480463/815-10-45-5

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

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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
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

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- Details

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