Goodwill and Intangibles - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 27, 2020	Dec. 29, 2019
Goodwill [Roll Forward]
Beginning goodwill	$ 494,584	$ 485,881
Acquired during the period	3,079,534	9,117
Measurement period adjustments	116,215
Goodwill, transfers	0	0
Foreign exchange translation	1,376	(414)
Ending goodwill	3,691,709	494,584
U.S. and Canada
Goodwill [Roll Forward]
Beginning goodwill	291,577	296,978
Acquired during the period	0	0
Measurement period adjustments	0
Goodwill, transfers	521,217	(5,401)
Foreign exchange translation	0	0
Ending goodwill	812,794	291,577
International
Goodwill [Roll Forward]
Beginning goodwill	170,218	170,361
Acquired during the period	353	0
Measurement period adjustments	0
Goodwill, transfers	329,612	0
Foreign exchange translation	153	(143)
Ending goodwill	500,336	170,218
Entertainment, Licensing and Digital
Goodwill [Roll Forward]
Beginning goodwill	32,789	18,542
Acquired during the period	0	9,117
Measurement period adjustments	0
Goodwill, transfers	103,171	5,401
Foreign exchange translation	1,223	(271)
Ending goodwill	137,183	32,789
eOne
Goodwill [Roll Forward]
Beginning goodwill	0	0
Acquired during the period	3,079,181	0
Measurement period adjustments	116,215
Goodwill, transfers	(954,000)	0
Foreign exchange translation	0	0
Ending goodwill	$ 2,241,396	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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