Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jul. 02, 2023	Jun. 30, 2024	Jul. 02, 2023
Income Statement [Abstract]
Net revenues	$ 995.3	$ 1,210.0	$ 1,752.6	$ 2,211.0
Costs and expenses:
Cost of sales	237.7	352.2	441.9	637.5
Program cost amortization	8.5	134.4	16.6	256.9
Royalties	55.3	119.9	106.2	188.9
Product development	70.4	72.4	135.9	155.7
Advertising	60.4	85.1	111.9	167.9
Amortization of intangibles	17.1	22.8	34.1	45.9
Impairment of goodwill	0.0	231.2	0.0	231.2
Loss on disposal of business	15.3	0.0	24.4	0.0
Selling, distribution and administration	318.5	380.6	553.3	697.7
Total costs and expenses	783.2	1,398.6	1,424.3	2,381.7
Operating profit (loss)	212.1	(188.6)	328.3	(170.7)
Non-operating expense (income):
Interest expense	43.0	46.6	81.5	92.9
Interest income	(13.0)	(5.8)	(21.3)	(11.8)
Other (income) expense, net	(0.8)	(1.5)	4.2	(2.9)
Total non-operating expense, net	29.2	39.3	64.4	78.2
Earnings (loss) before income taxes	182.9	(227.9)	263.9	(248.9)
Income tax expense	44.4	7.0	66.3	7.7
Net earnings (loss)	138.5	(234.9)	197.6	(256.6)
Net earnings attributable to noncontrolling interests	0.0	0.1	0.9	0.5
Net earnings (loss) attributable to Hasbro, Inc.	$ 138.5	$ (235.0)	$ 196.7	$ (257.1)
Net earnings (loss) per common share:
Basic (in dollars per share)	$ 0.99	$ (1.69)	$ 1.41	$ (1.85)
Diluted (in dollars per share)	0.99	(1.69)	1.41	(1.85)
Cash dividends declared per common share (in dollars per share)	$ 0.70	$ 0.70	$ 1.40	$ 1.40