Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Income Statement [Abstract]
Net revenues	$ 4,135.5	$ 5,003.3	$ 5,856.7
Costs and expenses
Cost of sales	1,179.5	1,706.0	1,911.8
Program cost amortization	49.3	448.9	555.5
Royalties	284.2	428.3	493.0
Product development	294.1	306.9	307.9
Advertising	319.5	358.4	387.3
Amortization of intangible assets	68.3	83.0	105.3
Impairment of goodwill	0.0	1,191.2	0.0
Loss on disposal of business	37.4	539.0	22.1
Selling, distribution and administration	1,213.2	1,480.4	1,666.1
Total costs and expenses	3,445.5	6,542.1	5,449.0
Operating profit (loss)	690.0	(1,538.8)	407.7
Non-operating expense
Interest expense	171.2	186.3	171.0
Interest income	(47.3)	(23.0)	(11.8)
Other expense (income), net	69.1	7.0	(13.0)
Total non-operating expense, net	193.0	170.3	146.2
Earnings (loss) before income taxes	497.0	(1,709.1)	261.5
Income tax expense (benefit)	102.6	(221.3)	58.5
Net earnings (loss)	394.4	(1,487.8)	203.0
Net earnings (loss) attributable to noncontrolling interests	8.8	1.5	(0.5)
Net earnings (loss) attributable to Hasbro, Inc.	$ 385.6	$ (1,489.3)	$ 203.5
Net earnings (loss) per common share:
Basic (in dollars per share)	$ 2.77	$ (10.73)	$ 1.47
Diluted (in dollars per share)	2.75	(10.73)	1.46
Cash dividends declared (in dollars per share)	$ 2.10	$ 2.80	$ 2.80