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Debt and Credit Facility - Summary of Fair Value of Outstanding Senior Notes (Details) - Senior Notes - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
4.50% Senior Notes
Debt Instrument [Line Items]
Fair value of outstanding senior notes	$ 435.7	$ 438.7
4.625% Senior Notes
Debt Instrument [Line Items]
Fair value of outstanding senior notes	$ 436.6	$ 440.4

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