Net Sales to Major Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue, Major Customer [Line Items]
Net Sales	$ 302,791	$ 337,027	$ 539,577	$ 582,334
Wal-Mart
Revenue, Major Customer [Line Items]
Net Sales	72,996	77,240	139,806	126,743
Toys 'R' Us
Revenue, Major Customer [Line Items]
Net Sales	19,624	27,292	38,088	50,620
Target
Revenue, Major Customer [Line Items]
Net Sales	50,008	40,647	76,948	66,292
Major Customer
Revenue, Major Customer [Line Items]
Net Sales	$ 142,628	$ 145,179	$ 254,842	$ 243,655
Net Sales | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	47.10%	43.10%	47.20%	41.80%
Net Sales | Wal-Mart | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	24.10%	22.90%	25.90%	21.70%
Net Sales | Toys 'R' Us | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	6.50%	8.10%	7.00%	8.70%
Net Sales | Target | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	16.50%	12.10%	14.30%	11.40%