Derivative Instruments - Notional Amount (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022	Apr. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Notional amount of derivatives	$ 1,731,700,000	$ 2,189,400,000
Derivatives designated as hedging instruments
Derivative [Line Items]
Notional amount of derivatives	1,534,800,000	2,025,900,000
Non-designated derivatives
Derivative [Line Items]
Notional amount of derivatives	196,900,000	163,500,000
Foreign currency contracts | Cash flow hedges | Derivatives designated as hedging instruments
Derivative [Line Items]
Notional amount of derivatives	934,800,000	775,900,000
Interest rate lock contracts | Cash flow hedges | Derivatives designated as hedging instruments
Derivative [Line Items]
Notional amount of derivatives	0	650,000,000.0	$ 300,000,000	$ 650,000,000	$ 300,000,000
Interest rate swap contracts | Fair value hedges | Derivatives designated as hedging instruments
Derivative [Line Items]
Notional amount of derivatives	$ 600,000,000	$ 600,000,000.0