Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2023	Sep. 25, 2022	Oct. 01, 2023	Sep. 25, 2022
Income Statement [Abstract]
Net revenues	$ 1,503.4	$ 1,675.9	$ 3,714.4	$ 4,178.2
Costs and expenses:
Cost of sales	494.5	586.6	1,132.0	1,331.2
Program cost amortization	68.4	146.5	325.3	365.7
Royalties	106.9	135.1	295.8	335.3
Product development	76.7	82.4	232.4	231.2
Advertising	81.9	115.2	249.8	277.0
Amortization of intangibles	19.2	26.9	65.1	81.2
Selling, distribution and administration	352.3	365.8	1,050.0	1,000.1
Loss on assets held for sale	473.0	23.1	473.0	23.1
Impairment of goodwill	0.0	0.0	231.2	0.0
Total costs and expenses	1,672.9	1,481.6	4,054.6	3,644.8
Operating profit (loss)	(169.5)	194.3	(340.2)	533.4
Non-operating expense (income):
Interest expense	47.1	41.9	140.0	125.2
Interest income	(3.8)	(3.2)	(15.6)	(8.0)
Other non-operating expense (income)	2.2	(10.0)	(0.7)	(9.5)
Total non-operating expense, net	45.5	28.7	123.7	107.7
Earnings (loss) before income taxes	(215.0)	165.6	(463.9)	425.7
Income tax expense (benefit)	(44.6)	37.4	(36.9)	94.1
Net earnings (loss)	(170.4)	128.2	(427.0)	331.6
Net earnings (loss) attributable to noncontrolling interests	0.7	(1.0)	1.2	(0.8)
Net earnings (loss) attributable to Hasbro, Inc.	$ (171.1)	$ 129.2	$ (428.2)	$ 332.4
Net earnings (loss) per common share:
Basic (in dollars per share)	$ (1.23)	$ 0.93	$ (3.09)	$ 2.39
Diluted (in dollars per share)	(1.23)	0.93	(3.09)	2.39
Cash dividends declared per common share (in dollars per share)	$ 0.70	$ 0.70	$ 2.10	$ 2.10