Derivative Instruments and Hedging Activities (Details) € in Millions, £ in Millions, R$ in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 BRL (R$)	Mar. 31, 2022 EUR (€)	Mar. 31, 2022 GBP (£)	Sep. 30, 2021 USD ($)
Derivative Instruments Gain (Loss) [Line Items]
Gain (loss) recognized on derivative instruments	$ (2.1)	$ (6.1)
Interest rate swaps
Derivative Instruments Gain (Loss) [Line Items]
Notional Amount of Derivatives		500.0				$ 250.0
Currency Forward Agreements USD to BRL
Derivative Instruments Gain (Loss) [Line Items]
Notional Amount of Derivatives	$ 11.1		R$ 59.1
Derivative, Number of Instruments Held	6		6	6	6
Currency Forward Agreements USD to EUR
Derivative Instruments Gain (Loss) [Line Items]
Notional Amount of Derivatives	$ 1.2			€ 1.0
Derivative, Number of Instruments Held	2		2	2	2
Currency Forward Agreements GBP to EUR
Derivative Instruments Gain (Loss) [Line Items]
Notional Amount of Derivatives				€ 2.6	£ 2.2
Derivative, Number of Instruments Held	4		4	4	4
Interest Expense [Member] | Interest rate swaps
Derivative Instruments Gain (Loss) [Line Items]
Gain (loss) recognized on derivative instruments	$ (2.1)	(1.9)
Asset Management Income [Member] | Foreign exchange forward contracts
Derivative Instruments Gain (Loss) [Line Items]
Gain (loss) recognized on derivative instruments	$ 0.0	$ (4.2)