Financial Instruments and Fair Value - Schedule of Assets and Liabilities Not Carried at Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Carrying amount
Derivative [Line Items]
Borrowings (Note 7)	$ 971.7	$ 970.7
Estimated fair value
Derivative [Line Items]
Borrowings (Note 7)	$ 1,012.1	$ 1,030.1

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details