Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022
Income Statement [Abstract]
Net revenues	$ 1,210.0	$ 1,339.2	$ 2,211.0	$ 2,502.3
Costs and expenses:
Cost of sales	352.2	411.5	637.5	744.6
Program cost amortization	134.4	80.7	256.9	219.2
Royalties	119.9	110.1	188.9	200.2
Product development	72.4	79.2	155.7	148.8
Advertising	85.1	84.2	167.9	161.8
Amortization of intangibles	22.8	27.2	45.9	54.3
Selling, distribution and administration	380.6	327.2	697.7	634.3
Impairment of goodwill	231.2	0.0	231.2	0.0
Total costs and expenses	1,398.6	1,120.1	2,381.7	2,163.2
Operating profit (loss)	(188.6)	219.1	(170.7)	339.1
Non-operating expense (income):
Interest expense	46.6	41.7	92.9	83.3
Interest income	(5.8)	(2.7)	(11.8)	(4.8)
Other (income) expense, net	(1.5)	0.2	(2.9)	0.5
Total non-operating expense, net	39.3	39.2	78.2	79.0
Earnings (loss) before income taxes	(227.9)	179.9	(248.9)	260.1
Income tax expense	7.0	39.4	7.7	56.7
Net earnings (loss)	(234.9)	140.5	(256.6)	203.4
Net earnings (loss) attributable to noncontrolling interests	0.1	(1.5)	0.5	0.2
Net earnings (loss) attributable to Hasbro, Inc.	$ (235.0)	$ 142.0	$ (257.1)	$ 203.2
Net earnings (loss) per common share:
Basic (in dollars per share)	$ (1.69)	$ 1.02	$ (1.85)	$ 1.46
Diluted (in dollars per share)	(1.69)	1.02	(1.85)	1.46
Cash dividends declared per common share (in dollars per share)	$ 0.70	$ 0.70	$ 1.40	$ 1.40