Segment Reporting, Revenue by Brand Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Apr. 01, 2018
Revenue from External Customer [Line Items]
Net revenue	$ 732,510	$ 716,341
Franchise Brands [Member]
Revenue from External Customer [Line Items]
Net revenue	393,574	361,706
Partner Brands [Member]
Revenue from External Customer [Line Items]
Net revenue	171,989	200,592
Hasbro Gaming [Member]
Revenue from External Customer [Line Items]
Net revenue	107,565	105,227
Gaming including Magic the Gathering and Monopoly [Member]
Revenue from External Customer [Line Items]
Net revenue	$ 243,390	203,542
Segment Reporting, Additional Information about Entity's Reportable Segments	Hasbro's total gaming category, including all gaming net revenues, most notably MAGIC: THE GATHERING and MONOPOLY, totaled $243,390 and $203,542 for the quarters ended March 31, 2019, and April 1, 2018, respectively.
Emerging Brands [Member]
Revenue from External Customer [Line Items]
Net revenue	$ 59,382	$ 48,816

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

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ 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)
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