Business Combination - Changes in Carrying Amount of Goodwill (Details) $ in Thousands	3 Months Ended
Mar. 29, 2020 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 494,584
Ending balance	3,572,650
Operating Segments
Goodwill [Roll Forward]
Beginning balance	494,584
Acquired during the period	3,079,181
Foreign exchange translation	(1,115)
Ending balance	3,572,650
Operating Segments \| U.S. and Canada
Goodwill [Roll Forward]
Beginning balance	291,577
Acquired during the period	0
Foreign exchange translation	0
Ending balance	291,577
Operating Segments \| International
Goodwill [Roll Forward]
Beginning balance	170,218
Acquired during the period	0
Foreign exchange translation	(321)
Ending balance	169,897
Operating Segments \| Entertainment, Licensing and Digital
Goodwill [Roll Forward]
Beginning balance	32,789
Acquired during the period	0
Foreign exchange translation	(794)
Ending balance	31,995
Operating Segments \| eOne
Goodwill [Roll Forward]
Beginning balance	0
Acquired during the period	3,079,181
Foreign exchange translation	0
Ending balance	$ 3,079,181

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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