Segment Reporting - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 984,537	$ 904,458	$ 1,717,047	$ 1,620,799
Operating Income (Loss)	128,333	87,588	164,460	7,169
Gaming including Magic the Gathering and Monopoly
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 393,367	312,773	$ 636,758	516,315
Wizards Of The Coast Digital Revenue
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues		10,888		21,272
Wizards of the Coast Digital Operating Profit
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating Income (Loss)		$ 3,134		$ 6,370