eOne Investments in Productions and Investments in Acquired Content Rights - Program Production Costs (Details) $ in Thousands	Jun. 28, 2020 USD ($)
Film and TV Programming
Released, less amortization	$ 346,800
Completed and not released	128,140
In production	41,363
Pre-production	70,411
Film programing costs	586,714
Other Programming [Abstract]
Released, less amortization	12,684
Completed and not released	2,942
In production	7,044
Pre-production	5,487
Other programming costs	28,157
Total program costs	$ 614,871

Film Programming [Abstract]

No definition available.

Name:	has_FilmProgrammingAbstract
Namespace Prefix:	has_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Other Programming [Abstract]

+ References

No definition available.

+ Details

Name:	has_OtherProgrammingAbstract
Namespace Prefix:	has_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Other Programming, Completed and Not Released

+ References

No definition available.

+ Details

Name:	has_OtherProgrammingCompletedAndNotReleased
Namespace Prefix:	has_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Other Programming Costs

+ References

No definition available.

+ Details

Name:	has_OtherProgrammingCosts
Namespace Prefix:	has_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Other Programming Costs, In Production

+ References

No definition available.

+ Details

Name:	has_OtherProgrammingCostsInProduction
Namespace Prefix:	has_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Other Programming Costs, Pre-Production

+ References

No definition available.

+ Details

Name:	has_OtherProgrammingCostsPreProduction
Namespace Prefix:	has_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Other Programming Costs, Released, Less Amortization

+ References

No definition available.

+ Details

Name:	has_OtherProgrammingReleasedLessAmortization
Namespace Prefix:	has_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of capitalized film cost for film predominantly monetized on its own and films predominantly monetized with other films and license agreements as group.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120154689&loc=SL120155198-107958

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=120154689&loc=d3e54369-107958

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=120154540&loc=d3e53371-107955

+ Details

Name:	us-gaap_FilmCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of direct negative costs incurred in the physical production of a theatrical film, as well as allocations of production overhead and capitalized interest. Examples of direct negative costs include costs of story and scenario; compensation of cast, directors, producers, extras, and miscellaneous staff; costs of set construction and operations, wardrobe, and accessories; costs of sound synchronization; rental facilities on location; and postproduction costs such as music, special effects, and editing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54431-107959

+ Details

Name:	us-gaap_TheatricalFilmCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of direct negative costs incurred as well as allocations of production overhead and capitalized interest related to the completion of a theatrical film not yet released. Examples of direct negative costs include costs of story and scenario; compensation of cast, directors, producers, extras, and miscellaneous staff; costs of set construction and operations, wardrobe, and accessories; costs of sound synchronization; rental facilities on location; and postproduction costs such as music, special effects, and editing.

+ References

+ Details

Name:	us-gaap_TheatricalFilmCostsCompletedAndNotReleased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of direct negative costs incurred in the preproduction of a theatrical film, as well as allocations of production overhead and capitalized interest. Examples of direct negative costs include costs of story and scenario; compensation of cast, directors, producers, extras, and miscellaneous staff; costs of set construction and operations, wardrobe, and accessories; costs of sound synchronization; rental facilities on location; and postproduction costs such as music, special effects, and editing.

+ References

+ Details

Name:	us-gaap_TheatricalFilmCostsPreproduction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of direct negative costs incurred in the production of a theatrical film, as well as allocations of production overhead and capitalized interest. Examples of direct negative costs include costs of story and scenario; compensation of cast, directors, producers, extras, and miscellaneous staff; costs of set construction and operations, wardrobe, and accessories; costs of sound synchronization; rental facilities on location; and postproduction costs such as music, special effects, and editing.

+ References

+ Details

Name:	us-gaap_TheatricalFilmCostsProduction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of direct negative costs incurred in the release of a theatrical film, as well as allocations of production overhead and capitalized interest. Examples of direct negative costs include costs of story and scenario; compensation of cast, directors, producers, extras, and miscellaneous staff; costs of set construction and operations, wardrobe, and accessories; costs of sound synchronization; rental facilities on location; and postproduction costs such as music, special effects, and editing.

+ References

+ Details

Name:	us-gaap_TheatricalFilmCostsReleased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant