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Segment Information - Net Sales to Largest Customers (Detail) - USD ($) $ in Thousands	3 Months Ended								9 Months Ended	12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue, Major Customer [Line Items]
Net sales	$ 1,524,281	$ 1,437,451	$ 844,706	$ 708,372	$ 1,606,915	$ 1,560,983	$ 976,177	$ 737,418	$ 3,274,578	$ 4,514,810	$ 4,881,493	$ 5,453,150
Percentage of total consolidated net sales accounted by two largest customers										34.00%	29.00%	27.00%
Toys R Us
Revenue, Major Customer [Line Items]
Net sales											$ 400,000	$ 640,000
Walmart
Revenue, Major Customer [Line Items]
Net sales										$ 1,070,000	1,020,000	1,050,000
Target
Revenue, Major Customer [Line Items]
Net sales										$ 450,000	$ 370,000	$ 410,000

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Percentage of total consolidated net sales accounted for by two largest customers.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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