Summary of Significant Accounting Policies (Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Capital Expenditures Incurred but Not yet Paid	$ 13.0	$ 15.7	$ 11.0
Accounts payable and accrued liabilities	285.1	311.1
Operating Lease, Liability, Current	15.4	12.0
Supplier Finance Program, Obligation	$ 14.7	14.5
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]
Accounts Payable, Trade, Current	$ 163.9	213.0
Employee-related Liabilities, Current	39.0	41.9
Operating Lease, Liability, Current	15.4	12.0
Other	$ 66.9	$ 44.2

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of obligation for supplier finance program.

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