Leases - Schedule of Lease Assets and Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Leases [Abstract]
Operating lease assets	$ 22.4	$ 27.2	[1]
Finance lease assets	$ 14.1	$ 14.8
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant and equipment, net	Property, plant and equipment, net
Current operating lease liabilities	$ 4.8	$ 6.3	[2]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current	Other Accrued Liabilities, Current
Non-current operating lease liabilities	$ 21.7	$ 25.2	[1]
Total operating lease liabilities	26.5	31.5
Current finance lease liabilities	$ 2.3	$ 2.4	[2]
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current	Other Accrued Liabilities, Current
Non-current finance lease liabilities	$ 12.4	$ 13.0
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total finance lease liabilities	$ 14.7	$ 15.4

[1] Adjusted to reflect the retrospective change in inventory valuation methodology from LIFO to WAC. See Note 18 for further discussion.

[2] Adjusted to reflect the retrospective change in inventory valuation methodology from LIFO to WAC. See Note 18 for further discussion.