Long-Term Debt - Schedule of Movements in Production Financing and Other Related Loans (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Production Financing
Production financing loans, beginning balance	$ 195.6
Drawdowns	117.4
Repayments	(206.7)
Removed with sale of eOne film and TV	(105.8)
Foreign exchange differences	(0.5)
Production financing loans, ending balance	$ 0.0