Segment Reporting, Revenue by Products (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Revenue from External Customer [Line Items]
Net revenue	$ 1,469,899	$ 1,370,348	$ 2,978,614	$ 2,800,384
Boys [Member]
Revenue from External Customer [Line Items]
Net revenue	478,509	392,014	1,062,082	888,494
Games [Member]
Revenue from External Customer [Line Items]
Net revenue	395,221	387,450	841,449	873,774
Girls [Member]
Revenue from External Customer [Line Items]
Net revenue	407,718	388,696	710,235	652,889
Preschool [Member]
Revenue from External Customer [Line Items]
Net revenue	$ 188,451	$ 202,188	$ 364,848	$ 385,227