Net Sales to Major Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue, Major Customer [Line Items]
Net sales to major customer	$ 145,179	$ 171,350	$ 243,655	$ 256,312
Target
Revenue, Major Customer [Line Items]
Net sales to major customer	77,240	81,731	126,743	115,295
Wal-Mart
Revenue, Major Customer [Line Items]
Net sales to major customer	40,647	55,849	66,292	79,954
Toys 'R' Us
Revenue, Major Customer [Line Items]
Net sales to major customer	$ 27,292	$ 33,770	$ 50,620	$ 61,063
Net Sales \| Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	43.10%	49.10%	41.80%	46.10%
Net Sales \| Target \| Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	22.90%	23.40%	21.70%	20.70%
Net Sales \| Wal-Mart \| Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	12.10%	16.00%	11.40%	14.40%
Net Sales \| Toys 'R' Us \| Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	8.10%	9.70%	8.70%	11.00%