Revenue Recognition - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 29, 2020 USD ($) brand_category	Dec. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Contract assets	$ 358,616		$ 27,291
Prepaid expenses and other current assets	271,120		23,857
Contract assets - long term	$ 87,496		$ 3,434
Number of brand categories | brand_category	5
eOne
Disaggregation of Revenue [Line Items]
Contract assets		$ 291,427
Prepaid expenses and other current assets		234,532
Contract assets - long term		56,895
Aggregate deferred revenues recorded as liabilities		$ 189,654
Revenue recognized	$ 80,652
Contract With Customer, Asset, Percentage	87.00%
Contract With Customer, Liability, Percentage	79.00%