Additional information about the entity or its reportable segments that may contribute to an understanding of the enterprise.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6374474&loc=d3e8352-108598

+ Details

Name:	us-gaap_AdditionalInformationAboutEntitysReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_ProductOrServiceAxis=has_ClassOfPrincipalProductFranchiseBrandsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=has_ClassOfPrincipalProductPartnerBrandsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=has_ClassOfPrincipalHasbroGamingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=has_GamingIncludingMagicTheGatheringAndMonopolyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=has_ClassOfPrincipalProductEmergingBrandsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=has_HasbroGamingToFranchiseBrandsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Segment Reporting, Revenue by Products (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 02, 2017	Apr. 02, 2017	Jun. 26, 2016	Jul. 02, 2017	Jun. 26, 2016
Revenue from External Customer [Line Items]
Net revenue	$ 972,506	$ 849,663	$ 878,945	$ 1,822,169	$ 1,710,125
Franchise Brands [Member]
Revenue from External Customer [Line Items]
Net revenue	545,718	430,744	452,268	976,462	868,642
Partner Brands [Member]
Revenue from External Customer [Line Items]
Net revenue	230,015	212,962	227,088	442,977	485,313
Hasbro Gaming [Member]
Revenue from External Customer [Line Items]
Net revenue	133,872	135,767	126,438	269,639	226,666
Gaming including Magic the Gathering and Monopoly [Member]
Revenue from External Customer [Line Items]
Net revenue	273,261		227,698	$ 526,550	458,845
Segment Reporting, Additional Information about Entity's Reportable Segments				Hasbro's total gaming category, including the Hasbro Gaming portfolio as reported above and all other gaming revenue, most notably MAGIC: THE GATHERING and MONOPOLY, which are included in the Franchise Brands portfolio, totaled $273,261 and $526,550 for the quarter and six months ended July 2, 2017, respectively. For the quarter and six months ended June 26, 2016, revenues were $227,698 and $458,845 respectively. Hasbro believes its gaming portfolio is a competitive differentiator and views it in its entirety. For the six-months ended July 2, 2017, first quarter revenues of $7,141 were reclassified from Hasbro Gaming to Franchise Brands to conform to the presentation for the quarter ended July 2, 2017. Including this reclassification, first quarter 2017 net revenues by Brand Portfolio were:
Emerging Brands [Member]
Revenue from External Customer [Line Items]
Net revenue	$ 62,901	70,190	$ 73,151	$ 133,091	$ 129,504
Hasbro Gaming to Franchise Brands [Member]
Revenue from External Customer [Line Items]
Net revenue		$ 7,141