Subsequent Event - Additional Information (Details) £ / shares in Units, $ / shares in Units, £ in Thousands			1 Months Ended	3 Months Ended
	Dec. 30, 2019 USD ($) $ / shares shares	Dec. 30, 2019 GBP (£) shares	Nov. 30, 2019 shares	Dec. 29, 2019 USD ($) shares	Dec. 30, 2019 £ / shares	Sep. 29, 2019 USD ($)
Subsequent Event [Line Items]
Common stock, shares issued (in shares) | shares			10,592,000	10,592,000
Subsequent Event
Subsequent Event [Line Items]
Common stock, shares issued (in shares) | shares	10,592,000	10,592,000
eOne Acquisition | Subsequent Event
Subsequent Event [Line Items]
Payments to acquire businesses, gross	$ 4,628,502,000	£ 2,900,000
Offering price | (per share)	$ 7.34				£ 5.60
Conversion rate | $ / shares	$ 1.31
Total purchase price to be allocated	$ 3,655,614,000
Distributions on mandatorily redeemable securities	$ 831,602,000
Unsecured committed | eOne Acquisition | Subsequent Event
Subsequent Event [Line Items]
Offering price | $ / shares	$ 95.00
Long-term line of credit	$ 1,000,000,000
Senior Unsecured Notes | Senior Notes
Subsequent Event [Line Items]
Debt instrument, face amount				$ 2,375,000,000		$ 2,375,000,000
Senior Unsecured Notes | Senior Notes | Subsequent Event
Subsequent Event [Line Items]
Debt instrument, face amount	$ 2,375,000,000