Derivative Liability (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Aug. 11, 2025	Jun. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Mar. 26, 2025	Jan. 31, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability	$ 24.6				$ 20.8	$ 11.1
Gain (loss) on derivatives		$ 11.5	$ 2.5
Conversion price, discount percentage	20.00%
2025 Convertible Notes [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability				$ 20.8		$ 11.1
Conversion price, discount percentage	20.00%