Trade and Other Receivables (Loans Receivable) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	$ 39.5	$ 37.7
Trade and Other Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	22.3	21.8
Non-current Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	$ 17.2	$ 15.9