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	Non-controlling 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 earnings (loss) attributable to Hasbro, Inc.	203.5			203.5
Net earnings (loss) attributable to noncontrolling interests	(1.1)						(1.1)
Change in put option value	(0.4)		(0.4)
Other comprehensive (loss) earnings	(19.6)				(19.6)
Stock-based compensation transactions	48.5		23.5			25.0
Purchases of common stock	(125.0)					(125.0)
Stock-based compensation expense	83.4		83.1			0.3
Dividends declared	(388.0)		1.9	(389.9)
Distribution paid to noncontrolling owners and other foreign exchange	(2.5)						(2.5)
Buyout of redeemable noncontrolling interest	0.0		4.5				(4.5)
Ending balance at Dec. 25, 2022	2,861.9	110.1	2,540.6	4,071.4	(254.9)	(3,634.4)	29.1
Beginning balance at Dec. 26, 2021	23.9
Increase (Decrease) in Temporary Equity [Roll Forward]
Net earnings (loss) attributable to noncontrolling interests	0.6
Distribution paid to noncontrolling owners and other foreign exchange	(1.9)
Buyout of redeemable noncontrolling interest	(22.6)
Ending balance at Dec. 25, 2022	0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Hasbro, Inc.	(1,489.3)			(1,489.3)
Net earnings (loss) attributable to noncontrolling interests	1.5						1.5
Other comprehensive (loss) earnings	53.4				53.4
Stock-based compensation transactions	(16.9)		(23.1)			6.2
Stock-based compensation expense	72.4		69.9			2.5
Dividends declared	(388.4)		5.3	(393.7)
Distribution paid to noncontrolling owners and other foreign exchange	(5.5)						(5.5)
Buyout of redeemable noncontrolling interest	(2.1)		(2.1)
Ending balance at Dec. 31, 2023	1,087.0	110.1	2,590.6	2,188.4	(201.5)	(3,625.7)	25.1
Increase (Decrease) in Temporary Equity [Roll Forward]
Net earnings (loss) attributable to noncontrolling interests	0.0
Distribution paid to noncontrolling owners and other foreign exchange	0.0
Buyout of redeemable noncontrolling interest	0.0
Ending balance at Dec. 31, 2023	0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss) attributable to Hasbro, Inc.	385.6			385.6
Net earnings (loss) attributable to noncontrolling interests	8.8						8.8
Other comprehensive (loss) earnings	(44.9)				(44.9)
Stock-based compensation transactions	(3.1)		(14.7)			11.6
Stock-based compensation expense	50.8		49.2			1.6
Dividends declared	(292.7)		7.1	(299.8)
Distribution paid to noncontrolling owners and other foreign exchange	(6.5)						(6.5)
Ending balance at Dec. 29, 2024	1,185.0	$ 110.1	$ 2,632.2	$ 2,274.2	$ (246.4)	$ (3,612.5)	$ 27.4
Increase (Decrease) in Temporary Equity [Roll Forward]
Net earnings (loss) attributable to noncontrolling interests	0.0
Distribution paid to noncontrolling owners and other foreign exchange	0.0
Ending balance at Dec. 29, 2024	$ 0.0