Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 25, 2022	Sep. 25, 2022	Dec. 25, 2022	Dec. 26, 2021
Goodwill [Roll Forward]
Beginning goodwill			$ 3,419,600,000	$ 3,691,700,000
Acquired during the period			64,700,000
Impairment during the period	$ 0	$ (11,800,000)	(11,800,000)	(108,800,000)
Goodwill associated with disposal of business				(162,200,000)
Foreign exchange translation			(2,400,000)	(1,100,000)
Goodwill allocation				0
Ending goodwill	3,470,100,000		3,470,100,000	3,419,600,000
Consumer Products
Goodwill [Roll Forward]
Beginning goodwill			1,584,900,000	1,385,700,000
Acquired during the period			0
Impairment during the period			0	0
Goodwill associated with disposal of business				0
Foreign exchange translation			(200,000)	(200,000)
Goodwill allocation				199,400,000
Ending goodwill	1,584,700,000		1,584,700,000	1,584,900,000
Wizards of the Coast and Digital Gaming
Goodwill [Roll Forward]
Beginning goodwill			307,300,000	53,100,000
Acquired during the period			64,700,000
Impairment during the period			0	0
Goodwill associated with disposal of business				0
Foreign exchange translation			(500,000)	0
Goodwill allocation				254,200,000
Ending goodwill	371,500,000		371,500,000	307,300,000
Entertainment
Goodwill [Roll Forward]
Beginning goodwill			1,527,400,000	2,252,900,000
Acquired during the period			0
Impairment during the period			(11,800,000)	(108,800,000)
Goodwill associated with disposal of business				(162,200,000)
Foreign exchange translation			(1,700,000)	(900,000)
Goodwill allocation				(453,600,000)
Ending goodwill	$ 1,513,900,000		$ 1,513,900,000	$ 1,527,400,000