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Subsequent Events (Details) $ in Millions	Oct. 08, 2021 USD ($)	Oct. 07, 2021 USD ($)	Sep. 24, 2021 USD ($)	Sep. 30, 2021 USD ($)	Oct. 07, 2020
Subsequent Event
Subsequent Event [Line Items]
Spinoff, percentage of stock distributed		80.10%
Shares received, as a ratio		0.3333
Proceeds from spinoff		$ 269.6
Senior notes		$ 500.0
Subsequent Event | Consensus
Subsequent Event [Line Items]
Ownership percentage		19.90%
Bridge Loan Facility | Subsequent Event | Bridge Loan
Subsequent Event [Line Items]
Principal amount		$ 485.0
4.625% Senior Notes | Senior Notes
Subsequent Event [Line Items]
Principal amount				$ 83.3
Stated interest rate					4.625%
Tender offer, aggregate purchase price			$ 90.0
4.625% Senior Notes | Senior Notes | Subsequent Event
Subsequent Event [Line Items]
Tender offer, principal amount	$ 83.3
Stated interest rate	4.625%
Tender offer, aggregate purchase price	$ 90.0

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