Segment Reporting - Net Revenues by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	$ 1,105,570	$ 732,510
Net revenues, affiliate	0	0
Corporate and Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	0	0
Net revenues, affiliate	(199,155)	(233,289)
U.S. and Canada | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	428,647	357,851
Net revenues, affiliate	3,328	1,849
International | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	250,403	282,649
Net revenues, affiliate	0	41
Entertainment, Licensing and Digital | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	84,027	91,994
Net revenues, affiliate	971	1,974
eOne | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	342,493	0
Net revenues, affiliate	0	0
Global Operations | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	0	16
Net revenues, affiliate	$ 194,856	$ 229,425