Investments in Productions and Investments in Acquired Content Rights - Programming Costs (Details) - USD ($) $ in Millions	Dec. 26, 2021	Dec. 27, 2020
Individual Monetization
Released, net of amortization	$ 481.7	$ 428.0
Completed and not released	18.5	17.3
In production	151.6	185.5
Pre-production	84.0	67.6
Individual monetization, costs	735.8	698.4
Film Group Monetization
Released, net of amortization	32.2	0.0
In production	13.0	0.0
Total film costs	45.2	0.0
Investment in Other programming:
Released, net of amortization	5.3	13.7
Completed and not released	0.4	2.1
In production	12.6	5.4
Pre-production	1.7	7.6
Other programming costs	20.0	28.8
Total Program Investments	$ 801.0	$ 727.2