Business Combination - Changes in Carrying Amount of Goodwill (Details) $ in Thousands	9 Months Ended
Sep. 27, 2020 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 494,584
Ending balance	3,644,118
Operating Segments
Goodwill [Roll Forward]
Beginning balance	494,584
Acquired during the period	3,079,181
Measurement period adjustments	70,156
Foreign exchange translation	197
Ending balance	3,644,118
Operating Segments \| U.S. and Canada
Goodwill [Roll Forward]
Beginning balance	291,577
Acquired during the period	0
Measurement period adjustments	0
Foreign exchange translation	0
Ending balance	291,577
Operating Segments \| International
Goodwill [Roll Forward]
Beginning balance	170,218
Acquired during the period	0
Measurement period adjustments	0
Foreign exchange translation	188
Ending balance	170,406
Operating Segments \| Entertainment, Licensing and Digital
Goodwill [Roll Forward]
Beginning balance	32,789
Acquired during the period	0
Measurement period adjustments	0
Foreign exchange translation	9
Ending balance	32,798
Operating Segments \| eOne
Goodwill [Roll Forward]
Beginning balance	0
Acquired during the period	3,079,181
Measurement period adjustments	70,156
Foreign exchange translation	0
Ending balance	$ 3,149,337

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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: 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=120320667&loc=SL49117168-202975

Reference 3: 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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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=121556970&loc=d3e13816-109267

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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
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-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising 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 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460

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-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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