Investments in Productions and Investments in Acquired Content Rights - Program Production Costs (Details) - USD ($) $ in Millions	Jun. 26, 2022	Dec. 26, 2021	Jun. 27, 2021
Individual Monetization
Released, net of amortization	$ 437.6	$ 481.7	$ 499.4
Completed and not released	6.3	18.5	17.7
In production	140.6	151.6	220.5
Pre-production	160.5	84.0	73.8
Individual monetization, costs	745.0	735.8	811.4
Film/TV Group Monetization
Released, net of amortization	35.6	32.2	0.0
In production	21.1	13.0	0.0
Total film costs	56.7	45.2	0.0
Investment in Other Programming
Released, net of amortization	8.9	5.3	3.4
Completed and not released	0.4	0.4	0.4
In production	11.8	12.6	6.3
Pre-production	1.9	1.7	1.7
Other programming costs	23.0	20.0	11.8
Total Program Investments	$ 824.7	$ 801.0	$ 823.2