Consolidated Statements of Shareholders' Equity and Redeemable Noncontrolling Interests - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interests
Beginning balance at Dec. 26, 2021	$ 3,063.1	$ 110.1	$ 2,428.0	$ 4,257.8	$ (235.3)	$ (3,534.7)	$ 37.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) earnings attributable to Hasbro, Inc.	203.2			203.2
Net earnings (loss) attributable to noncontrolling interests	(0.4)						(0.4)
Change in put option value	(0.4)		(0.4)
Other comprehensive earnings (loss)	(24.3)				(24.3)
Stock-based compensation transactions	54.7		32.5			22.2
Purchases of common stock	(124.0)					(124.0)
Stock-based compensation expense	43.1		42.8			0.3
Dividends declared	(194.6)		0.5	(195.1)
Distributions paid to noncontrolling owners and other foreign exchange	(7.6)						(7.6)
Ending balance at Jun. 26, 2022	3,012.8	110.1	2,503.4	4,265.9	(259.6)	(3,636.2)	29.2
Beginning balance at Dec. 26, 2021	23.9
Redeemable Noncontrolling Interests
Net earnings (loss) attributable to noncontrolling interests	0.6
Distributions paid to noncontrolling owners and other foreign exchange	(1.5)
Ending balance at Jun. 26, 2022	23.0
Beginning balance at Mar. 27, 2022	3,080.7	110.1	2,475.7	4,220.9	(246.9)	(3,513.8)	34.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) earnings attributable to Hasbro, Inc.	142.0			142.0
Net earnings (loss) attributable to noncontrolling interests	(1.6)						(1.6)
Other comprehensive earnings (loss)	(12.7)				(12.7)
Stock-based compensation transactions	3.8		2.5			1.3
Purchases of common stock	(124.0)					(124.0)
Stock-based compensation expense	25.0		24.7			0.3
Dividends declared	(96.5)		0.5	(97.0)
Distributions paid to noncontrolling owners and other foreign exchange	(3.9)						(3.9)
Ending balance at Jun. 26, 2022	3,012.8	110.1	2,503.4	4,265.9	(259.6)	(3,636.2)	29.2
Beginning balance at Mar. 27, 2022	23.5
Redeemable Noncontrolling Interests
Net earnings (loss) attributable to noncontrolling interests	0.1
Distributions paid to noncontrolling owners and other foreign exchange	(0.6)
Ending balance at Jun. 26, 2022	23.0
Beginning balance at Dec. 25, 2022	2,861.9	110.1	2,540.6	4,071.4	(254.9)	(3,634.4)	29.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) earnings attributable to Hasbro, Inc.	(257.1)			(257.1)
Net earnings (loss) attributable to noncontrolling interests	0.5						0.5
Other comprehensive earnings (loss)	41.4				41.4
Stock-based compensation transactions	(14.4)		(20.1)			5.7
Stock-based compensation expense	36.6		34.2			2.4
Dividends declared	(194.2)		2.0	(196.2)
Distributions paid to noncontrolling owners and other foreign exchange	(2.4)						(2.4)
Renegade Buyout	(2.1)		(2.1)
Ending balance at Jul. 02, 2023	2,470.2	110.1	2,554.6	3,618.1	(213.5)	(3,626.3)	27.2
Beginning balance at Dec. 25, 2022	0.0
Ending balance at Jul. 02, 2023	0.0
Beginning balance at Apr. 02, 2023	2,758.7	110.1	2,535.7	3,951.8	(237.4)	(3,629.4)	27.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (Loss) earnings attributable to Hasbro, Inc.	(235.0)			(235.0)
Net earnings (loss) attributable to noncontrolling interests	0.1						0.1
Other comprehensive earnings (loss)	23.9				23.9
Stock-based compensation transactions	(0.4)		(1.1)			0.7
Stock-based compensation expense	20.9		18.5			2.4
Dividends declared	(97.2)		1.5	(98.7)
Distributions paid to noncontrolling owners and other foreign exchange	(0.8)						(0.8)
Ending balance at Jul. 02, 2023	2,470.2	$ 110.1	$ 2,554.6	$ 3,618.1	$ (213.5)	$ (3,626.3)	$ 27.2
Beginning balance at Apr. 02, 2023	0.0
Ending balance at Jul. 02, 2023	$ 0.0