Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024
Income Statement [Abstract]
Net revenues	$ 1,387.5	$ 1,281.3	$ 3,255.4	$ 3,033.9
Costs and expenses:
Cost of sales	414.3	378.9	844.1	820.8
Program cost amortization	7.4	7.9	21.0	24.5
Royalties	114.3	98.0	255.8	204.2
Product development	97.6	76.3	255.6	212.2
Advertising	108.3	101.9	227.3	213.8
Amortization of intangible assets	17.2	17.1	51.4	51.2
Impairment of goodwill (Note 5)	0.0	0.0	1,021.9	0.0
Loss on disposal of business	0.0	0.0	25.0	24.4
Selling, distribution and administration	287.3	299.3	839.7	852.6
Total costs and expenses	1,046.4	979.4	3,541.8	2,403.7
Operating profit (loss)	341.1	301.9	(286.4)	630.2
Non-operating expense:
Interest expense	40.8	46.2	123.0	127.7
Interest income	(6.3)	(14.7)	(20.6)	(36.0)
Other expense (income), net	1.4	(19.9)	(15.9)	(15.7)
Total non-operating expense, net	35.9	11.6	86.5	76.0
Earnings (loss) before income taxes	305.2	290.3	(372.9)	554.2
Income tax expense	71.3	67.0	148.4	133.3
Net earnings (loss)	233.9	223.3	(521.3)	420.9
Net earnings attributable to noncontrolling interests	0.7	0.1	2.7	1.0
Net earnings (loss) attributable to Hasbro, Inc.	$ 233.2	$ 223.2	$ (524.0)	$ 419.9
Net earnings (loss) per common share:
Basic (in dollars per share)	$ 1.66	$ 1.60	$ (3.74)	$ 3.01
Diluted (in dollars per share)	1.64	1.59	(3.74)	3.00
Cash dividends declared per common share (in dollars per share)	$ 0.70	$ 0.70	$ 2.10	$ 1.40