Fair value of the assets less the liabilities of a derivative or group of derivatives.

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Nominal or face amount used to calculate payment on derivative.

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Derivative Financial Instruments - Narrative (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018	Dec. 30, 2018
Intercompany Loans
Derivative [Line Items]
Notional amount	$ 308,867	$ 311,331	$ 308,867	$ 311,331	$ 452,773
Foreign Exchange Forward
Derivative [Line Items]
Fair value	2,290	532	2,290	532	(1,551)
Foreign Exchange Forward \| Other Operating Income (Expense)
Derivative [Line Items]
Gain (loss) recognized in income for derivative instruments	10,121	5,030	16,705	8,781
Prepaid expenses and other current assets \| Foreign Exchange Forward
Derivative [Line Items]
Fair value	2,329	$ 608	2,329	$ 608	$ 0
eOne Acquisition \| Foreign Exchange Forward and Option
Derivative [Line Items]
Notional amount	2,867,500		2,867,500
Fair value	8,676		8,676
eOne Acquisition \| Foreign Exchange Forward and Option \| Other Operating Income (Expense)
Derivative [Line Items]
Gain (loss) recognized in income for derivative instruments	(25,533)		(25,533)
eOne Acquisition \| Prepaid expenses and other current assets \| Foreign Exchange Forward and Option
Derivative [Line Items]
Fair value	20,145		20,145
eOne Acquisition \| Accounts payable and accrued liabilities \| Foreign Exchange Forward and Option
Derivative [Line Items]
Fair value	$ 11,469		$ 11,469