Restricted Cash Balances (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Restricted Cash Balances [Abstract]
Restricted Cash and Cash Equivalent	$ 0.0	$ 0.0
Pledged Cash for Derivative Contracts	15.1	5.3
Credit-Link Notes
Restricted Cash Balances [Abstract]
Cash Collateral	119.6	115.3
Restricted Cash and Cash Equivalent Item [Line Items]
Cash Collateral	119.6	115.3
Standby Letters of Credit
Restricted Cash Balances [Abstract]
Cash Collateral	39.8	59.3
Restricted Cash and Cash Equivalent Item [Line Items]
Cash Collateral	$ 39.8	$ 59.3