Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 27, 2020	Sep. 27, 2020	Sep. 29, 2019
Income Tax Contingency [Line Items]
Effective income tax rate		35.00%	14.30%
Discrete income tax benefit	$ (13,680)	$ 5,290
Income tax rate, percent		19.00%
Unrecognized tax benefits, period increase (decrease)		$ 6,332
Discrete income tax benefit, decrease in liability			$ 31,674
Share-based payments, excess tax benefits and expiration on the statue of limitation on tax positions			24,925
Proceeds and excess tax benefit from share-based compensation			$ 6,749
eOne
Income Tax Contingency [Line Items]
Discrete income tax benefit		$ 25,302
Maximum
Income Tax Contingency [Line Items]
Income tax rate, percent			22.50%
Maximum | eOne
Income Tax Contingency [Line Items]
Effective income tax rate		19.90%
Minimum
Income Tax Contingency [Line Items]
Income tax rate, percent			21.00%
Minimum | eOne
Income Tax Contingency [Line Items]
Effective income tax rate		18.20%