Net Sales to Major Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue, Major Customer [Line Items]
Net Sales	$ 119,565	$ 140,977	$ 214,070	$ 236,786
Wal-Mart
Revenue, Major Customer [Line Items]
Net Sales	19,391	39,063	42,643	66,810
Target
Revenue, Major Customer [Line Items]
Net Sales	20,522	18,818	33,181	26,940
Toys 'R' Us
Revenue, Major Customer [Line Items]
Net Sales	11,020	10,130	18,731	18,464
Major Customer
Revenue, Major Customer [Line Items]
Net Sales	$ 50,933	$ 68,011	$ 94,555	$ 112,214
Net Sales | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	42.60%	48.20%	44.20%	47.40%
Net Sales | Wal-Mart | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	16.20%	27.70%	19.90%	28.20%
Net Sales | Target | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	17.20%	13.30%	15.50%	11.40%
Net Sales | Toys 'R' Us | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	9.20%	7.20%	8.80%	7.80%