Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Income Statement [Abstract]
Net revenues	$ 1,281.3	$ 1,503.4	$ 3,033.9	$ 3,714.4
Costs and expenses:
Cost of sales	378.9	494.5	820.8	1,132.0
Program cost amortization	7.9	68.4	24.5	325.3
Royalties	98.0	106.9	204.2	295.8
Product development	76.3	76.7	212.2	232.4
Advertising	101.9	81.9	213.8	249.8
Amortization of intangibles	17.1	19.2	51.2	65.1
Impairment of goodwill	0.0	0.0	0.0	231.2
Loss on disposal of business	0.0	473.0	24.4	473.0
Selling, distribution and administration	299.3	352.3	852.6	1,050.0
Total costs and expenses	979.4	1,672.9	2,403.7	4,054.6
Operating profit (loss)	301.9	(169.5)	630.2	(340.2)
Non-operating expense (income):
Interest expense	46.2	47.1	127.7	140.0
Interest income	(14.7)	(3.8)	(36.0)	(15.6)
Other (income) expense, net	(19.9)	2.2	(15.7)	(0.7)
Total non-operating expense, net	11.6	45.5	76.0	123.7
Earnings (loss) before income taxes	290.3	(215.0)	554.2	(463.9)
Income tax expense (benefit)	67.0	(44.6)	133.3	(36.9)
Net earnings (loss)	223.3	(170.4)	420.9	(427.0)
Net earnings attributable to noncontrolling interests	0.1	0.7	1.0	1.2
Net earnings (loss) attributable to Hasbro, Inc.	$ 223.2	$ (171.1)	$ 419.9	$ (428.2)
Net earnings (loss) per common share:
Basic (in dollars per share)	$ 1.60	$ (1.23)	$ 3.01	$ (3.09)
Diluted (in dollars per share)	1.59	(1.23)	3.00	(3.09)
Cash dividends declared per common share (in dollars per share)	$ 0.70	$ 0.70	$ 1.40	$ 2.10