Program Rights and Obligations (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Film, Disclosures [Abstract]
Program write-offs, restructuring and other related charges	$ 403.8
Program rights write-offs		$ 12.8	$ 108.3