Significant Percentage of Gross Sales (Detail) (Operating Segments)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Toys "R" Us, Inc. and Babies "R" Us, Inc.
Percentage of Revenues Generated from Overseas Customers [Line Items]
Percentage of gross sales by customer significance	36.50%	35.60%	35.40%	33.90%
Walmart
Percentage of Revenues Generated from Overseas Customers [Line Items]
Percentage of gross sales by customer significance	17.30%	15.80%	18.80%	16.90%
Target
Percentage of Revenues Generated from Overseas Customers [Line Items]
Percentage of gross sales by customer significance	7.20%	9.90%	7.70%	9.00%