Segment Reporting - Operating Profit (Loss) by Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	$ (23,283)	$ 36,127
Corporate and Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	(45,114)	21,732
U.S. and Canada | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	71,780	13,532
International | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	(26,691)	(30,411)
Entertainment, Licensing and Digital | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	5,174	30,020
eOne | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	(33,081)	0
Global Operations | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	$ 4,649	$ 1,254