Consolidated Statements of Shareholder's Equity and Redeemable Noncontrolling Interests - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive  Loss	Treasury Stock	Noncontrolling Interests
Beginning balance at Dec. 30, 2018	$ 1,754,486	$ 104,847	$ 1,275,059	$ 4,184,374	$ (294,514)	$ (3,515,280)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Hasbro, Inc.	40,160			40,160
Other comprehensive loss	121,339				121,339
Stock-based compensation transactions	13,891		(177)			14,068
Purchases of common stock	(58,633)					(58,633)
Stock-based compensation expense	15,894		15,658			236
Dividends declared	(171,268)			(171,268)
Ending balance at Jun. 30, 2019	1,715,869	104,847	1,290,540	4,053,266	(173,175)	(3,559,609)	0
Beginning balance at Dec. 30, 2018	0
Ending balance at Jun. 30, 2019	0
Beginning balance at Mar. 31, 2019	1,654,531	104,847	1,269,230	4,125,686	(282,339)	(3,562,893)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Hasbro, Inc.	13,433			13,433
Other comprehensive loss	109,164				109,164
Stock-based compensation transactions	23,436		10,937			12,499
Purchases of common stock	(9,451)					(9,451)
Stock-based compensation expense	10,609		10,373			236
Dividends declared	(85,853)			(85,853)
Ending balance at Jun. 30, 2019	1,715,869	104,847	1,290,540	4,053,266	(173,175)	(3,559,609)	0
Beginning balance at Mar. 31, 2019							0
Ending balance at Jun. 30, 2019	0
Beginning balance at Dec. 29, 2019	2,995,530	110,143	2,275,726	4,354,619	(184,220)	(3,560,738)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling interests related to acquisition of Entertainment One Ltd.	38,561						38,561
Net earnings (loss) attributable to Hasbro, Inc.	(103,552)			(103,552)
Net earnings (loss) attributable to noncontrolling interests	2,968						2,968
Other comprehensive loss	(123,908)				(123,908)
Stock-based compensation transactions	(3,841)		(4,288)			447
Stock-based compensation expense	26,130		25,829			301
Dividends declared	(186,352)			(186,352)
Distributions paid to noncontrolling owners and other foreign exchange	(3,385)						(3,385)
Ending balance at Jun. 28, 2020	2,642,151	110,143	2,297,267	4,064,715	(308,128)	(3,559,990)	38,144
Beginning balance at Dec. 29, 2019	0
Increase (Decrease) in Temporary Equity [Roll Forward]
Noncontrolling interests related to acquisition of Entertainment One Ltd.	26,241
Net earnings (loss) attributable to noncontrolling interests	(124)
Distributions paid to noncontrolling owners and other foreign exchange	1,984
Ending balance at Jun. 28, 2020	24,133
Beginning balance at Mar. 29, 2020	2,764,507	110,143	2,282,379	4,191,810	(294,772)	(3,560,336)	35,283
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling interests related to acquisition of Entertainment One Ltd.	(1,364)						(1,364)
Net earnings (loss) attributable to Hasbro, Inc.	(33,915)			(33,915)
Net earnings (loss) attributable to noncontrolling interests	1,104						1,104
Other comprehensive loss	(13,356)				(13,356)
Stock-based compensation transactions	(245)		(290)			45
Stock-based compensation expense	15,479		15,178	0		301
Dividends declared	(93,180)			(93,180)			0
Distributions paid to noncontrolling owners and other foreign exchange	3,121						3,121
Ending balance at Jun. 28, 2020	2,642,151	$ 110,143	$ 2,297,267	$ 4,064,715	$ (308,128)	$ (3,559,990)	$ 38,144
Beginning balance at Mar. 29, 2020	26,041
Increase (Decrease) in Temporary Equity [Roll Forward]
Noncontrolling interests related to acquisition of Entertainment One Ltd.	2,645
Net earnings (loss) attributable to noncontrolling interests	(87)
Distributions paid to noncontrolling owners and other foreign exchange	(4,466)
Ending balance at Jun. 28, 2020	$ 24,133