Investments in Productions and Investments in Acquired Content Rights - Program Production Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 01, 2023	Dec. 25, 2022	Sep. 25, 2022
Individual Monetization
Released, net of amortization (2)	$ 78.3	$ 584.5	$ 486.3
Completed and not released	0.0	23.3	1.2
In production	27.2	199.4	176.9
Pre-production	18.4	41.3	109.7
Individual monetization, costs	123.9	848.5	774.1
Film/TV Group Monetization
Released, net of amortization	14.6	25.8	24.5
In production	33.2	22.2	24.5
Total film costs	47.8	48.0	49.0
Investment in Other Programming
Released, net of amortization	16.5	9.8	12.9
Completed and not released	0.0	0.0	0.3
In production	6.8	11.8	8.4
Pre-production	1.5	3.3	1.5
Other programming costs	24.8	24.9	23.1
Total Program Investments	196.5	$ 921.4	$ 846.2
Productions and investments in acquired	734.5
Film production cost impairment charges	$ 25.0