Accrued Liabilities (Details) - USD ($) $ in Millions	Mar. 28, 2021	Dec. 27, 2020	Mar. 29, 2020
Payables and Accruals [Abstract]
Participations and residuals	$ 289.8	$ 295.6	$ 375.4
Royalties	126.7	229.2	120.8
Contract liabilities - current	146.9	161.0	185.6
Payroll and management incentives	36.2	132.4	36.5
Dividends	93.5	93.4	93.2
Other taxes	67.5	81.9	49.6
Advertising	69.7	58.6	44.1
Severance	44.0	49.7	43.9
Other	409.3	436.8	407.1
Accrued liabilities	$ 1,283.6	$ 1,538.6	$ 1,356.2

Accrued Severance, Current

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Participations and Residuals, Current

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Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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