Goodwill and Intangibles, Finite-Lived Intangible Assets by Major Class and Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			0 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012	Jul. 08, 2013
Summary of Other Intangible Assets [Abstract]
Acquired product rights	$ 789,781	$ 788,544
Licensed rights of entertainment properties	256,555	256,555
Accumulated amortization	(797,546)	(744,838)
Amortizable intangible assets	248,790	300,261
Product rights with indefinite lives	75,738	75,738
Total other intangibles, net	324,528	375,999
Impairment of Intangible Assets, Finite-lived	0	19,736
Intangible Assets, Future Amortization Expense By Year [Abstract]
2015	44,000
2016	35,000
2017	33,000
2018	24,000
2019	40,000
Acquisition [Line Items]
Amortization of intangibles	52,708	78,186	50,569
Goodwill, Valuation		119,111
Net Loss Attributable to Noncontrolling Interests	(2,620)	(2,270)	0
Backflip Studios, LLC [Member]
Acquisition [Line Items]
Date of Acquisition	Jul. 08, 2013
Business Acquisition, Name of Acquired Entity	Backflip Studios, LLC
Noncontrolling Interest, Ownership Percentage by Parent				70.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				30.00%
Valuation of acquired business				160,000
Payments to Acquire Business, Gross				112,000
Intangible Assets, Valuation				35,000
Goodwill, Valuation				119,000
Net Loss Attributable to Noncontrolling Interests	(2,620)	(2,270)		0
Net tangible assets acquired				6,000
Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	$ 42,730	$ 45,445		$ 48,000