Supplemental Disclosures of Cash Flow Information and Non-Cash Financing and Investing Activities - Additional Information (Details) - USD ($) $ in Millions		9 Months Ended
	Mar. 15, 2023	Sep. 30, 2023	Sep. 30, 2022
Supplemental Cash Flow Elements [Abstract]
Deferred federal income tax payments amounts due to Hurricane Idalia Tax Relief		$ 45.9
Payments of accrued federal income tax payments due	$ 31.2
Effect of foreign exchange rate changes on cash and cash equivalents inclusive of fiduciary cash		$ 2.0	$ (183.1)