Investments in Productions and Investments in Acquired Content Rights - Program Costs Amortization (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Product Information [Line Items]
Program cost amortization	$ 80.7	$ 110.7	$ 219.2	$ 208.2
eOne
Product Information [Line Items]
Program cost amortization			219.2
eOne | Investment in Production
Product Information [Line Items]
Program cost amortization			191.8
eOne | Investment in Content
Product Information [Line Items]
Program cost amortization			27.4
eOne | Other
Product Information [Line Items]
Program cost amortization			$ 0.0