Revenue Recognition (Details) $ in Thousands	12 Months Ended
	Dec. 27, 2020 USD ($) brandCategory	Dec. 29, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract with customer, asset	$ 361,420	$ 46,959
Contract with customer, asset, net, current	284,418	32,182
Contract with customer, asset, net, noncurrent	77,002	14,777
Deferred revenues recorded as liabilities	161,018	48,465
Other noncurrent liabilities	793,866	556,559
Revenue, remaining performance obligation, amount	$ 314,164
Bad debt expense		$ 49,000
Number of brand categories | brandCategory	5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-12-28
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue, remaining performance obligation, amount	$ 280,197
Revenue, remaining performance obligation, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-12-27
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue, remaining performance obligation, amount	$ 17,871
Revenue, remaining performance obligation, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-12-26
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue, remaining performance obligation, amount	$ 16,096
Revenue, remaining performance obligation, period	1 year
eOne Acquisition
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract with customer, liability, recognized	$ 14,507
Contract with customer, asset	267,566
Contract with customer, asset, net, current	223,901
Contract with customer, asset, net, noncurrent	43,665
Deferred Revenue	112,578
Deferred revenues recorded as liabilities	105,161
Other noncurrent liabilities	$ 7,417
Contract asset balance, percentage	78.00%
Contract liability balance, percentage	59.00%