Sale of Non-Core Entertainment One Film and TV Business - Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Liabilities:
Pre-tax non-cash loss on assets held for sale	$ 0.0	$ 473.0	$ 24.4	$ 473.0
eOne Film and TV | Disposal Group, Held-for-sale
Assets:
Cash and cash equivalents including restricted cash of $4.1 million		70.4		70.4
Restricted cash		4.1		4.1
Accounts receivable, less allowance for doubtful accounts of $1.4 million		85.2		85.2
Allowance for doubtful accounts		1.4		1.4
Inventories		2.7		2.7
Prepaid expenses and other current assets		402.6		402.6
Property, plant and equipment, less accumulated depreciation of $21.3 million		53.6		53.6
Accumulated depreciation		21.3		21.3
Other assets		891.5		891.5
Write-down loss allowance		(457.3)		(457.3)
Total assets held for sale		1,048.7		1,048.7
Liabilities:
Short-term borrowings		141.9		141.9
Current portion of long-term debt		8.2		8.2
Accounts payable and accrued liabilities		404.4		404.4
Long-term debt		0.8		0.8
Other liabilities		52.1		52.1
Total liabilities held for sale		$ 607.4		607.4
Write-down loss allowance				457.3
Currency translation losses on the classification of held for sale				15.7
Pre-tax non-cash loss on assets held for sale	$ (473.0)			$ 473.0