Related Party Transactions (Details) - USD ($) $ in Millions	1 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2024	Sep. 30, 2024	Dec. 31, 2021	Dec. 31, 2023	Oct. 31, 2023	Aug. 31, 2023	Sep. 01, 2022
Related Party Transaction [Line Items]
Non-controlling interests		$ 9.0		$ 6.0
Assets		32,749.0		$ 32,569.0
Subsidiary Equity
Related Party Transaction [Line Items]
Assets		49.0
Gain on deconsolidation		$ 10.0
Subsidiary Equity | SRS Mobility Ventures, LLC
Related Party Transaction [Line Items]
Contributions from non-controlling interests			$ 37.5
Non-controlling interests							$ 62.0
Capital contribution made	$ 22.2
Decrease from receivables forgiveness	$ 11.7
Subsidiary Equity | SRS Mobility Ventures, LLC | Company Subsidiary
Related Party Transaction [Line Items]
Ownership acquired percentage			33.34%
Subsidiary Equity | SRS Mobility Ventures, LLC | Maximum | Company Subsidiary
Related Party Transaction [Line Items]
Ownership interest	65.00%				65.00%	65.00%	51.00%