eOne Investments in Productions and Investments in Acquired Content Rights - Program Costs Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Product Information [Line Items]
Program cost amortization	$ 85,424	$ 28,028	$ 268,245	$ 58,105
eOne
Product Information [Line Items]
Program cost amortization			244,194
eOne | Production Investment
Product Information [Line Items]
Program cost amortization			172,630
eOne | Content Investment
Product Information [Line Items]
Program cost amortization			$ 71,564