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Net Sales to Major Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue, Major Customer [Line Items]
Net Sales	$ 236,699	$ 262,413	$ 435,484	$ 476,483
Wal-Mart
Revenue, Major Customer [Line Items]
Net Sales	64,133	70,768	107,344	118,819
Target
Revenue, Major Customer [Line Items]
Net Sales	$ 50,797	44,502	$ 87,641	77,674
Toys "R" Us
Revenue, Major Customer [Line Items]
Net Sales		$ 22,741		$ 49,760
Net Sales | Wal-Mart | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	27.10%	27.00%	24.60%	24.90%
Net Sales | Target | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer	21.50%	17.00%	20.10%	16.30%
Net Sales | Toys "R" Us | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Percentage of Net Sales from major customer		8.70%		10.40%

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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