Activity with the LG Studios Business - Schedule of Net Transfers (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Related Party Transaction [Line Items]
Net transfers from Parent included on consolidated statements of cash flows	$ 0.0	$ 2.0
Related Party
Related Party Transaction [Line Items]
Net transfers from Parent included on consolidated statements of cash flows		(2.0)
Share-based compensation (including allocation of share-based compensation)		2.9
Other non-cash transfer		7.3
Net transfers from Parent included on unaudited condensed consolidated statements of equity		8.2
Related Party | Cash pooling and general financing activities
Related Party Transaction [Line Items]
Net transfers from Parent included on consolidated statements of cash flows		$ (2.0)