Consolidated Statements of Comprehensive Earnings (Loss) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2023	Mar. 27, 2022
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (21.7)	$ 62.9
Other comprehensive earnings (loss):
Foreign currency translation adjustments, net of tax	24.3	(10.7)
Unrealized holding gains on available-for-sale securities, net of tax	0.0	0.2
Net losses on cash flow hedging activities, net of tax	(4.6)	(1.2)
Reclassifications to earnings, net of tax:
Net gains on cash flow hedging activities	(2.1)	0.0
Amortization of unrecognized pension and postretirement amounts	(0.1)	0.1
Total other comprehensive earnings (loss), net of tax	17.5	(11.6)
Total comprehensive earnings attributable to noncontrolling interests	0.4	1.7
Total comprehensive earnings (loss) attributable to Hasbro, Inc.	$ (4.6)	$ 49.6