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Business Segments, Geographic Data, Sales by Product Group and Major Customers - Additional Information (Detail) $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 20, 2017 USD ($) | Dec. 31, 2017 USD ($) Segment | Dec. 31, 2016 USD ($) Segment | Mar. 15, 2018 USD ($) | Sep. 22, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Number of reporting segments | Segment |  | 3 | 3 |  |
Tools, dyes and molds |  | $ 23,227 | $ 22,841 |  |
Percentage of net sales accounted from customer description |  | No other customer accounted for more than 10% of the Company's total net sales. |  |  |
Toys 'R' Us |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Pre-petition consolidated accounts receivable, reserved |  | $ 8,900 |  |  |
Pre-petition consolidated accounts receivable, gross |  | 22,800 |  |  |
Pre-petition consolidated accounts receivable, net |  | 13,900 |  |  |
Pre-petition consolidated accounts receivable, unreserved |  | 2,900 |  |  |
Proceeds from debtor-in-possession financing | $ 2,200,000 |  |  |  |
Debtor-in-possession financing |  |  |  |  | $ 3,100,000
Post-petition consolidated accounts receivable, gross |  | 18,600 |  |  |
Proceeds from post-petition consolidated accounts receivable |  | $ 14,100 |  |  |
Subsequent Event | Toys 'R' Us |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Pre-petition consolidated accounts receivable, reserved |  |  |  | $ 8,900 |
Pre-petition consolidated accounts receivable, gross |  |  |  | 22,800 |
Post-petition consolidated accounts receivable, gross |  |  |  | 13,100 |
Post-petition consolidated accounts receivable, net |  |  |  | $ 4,500 |
Net Accounts Receivable | Toys 'R' Us | Customer Concentration Risk |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Concentration risk percentage |  | 26.40% | 23.50% |  |
Net Accounts Receivable | Wal-Mart and Target | Customer Concentration Risk |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Concentration risk percentage |  | 60.60% | 59.60% |  |
China |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Tools, dyes and molds |  | $ 17,194 | $ 15,710 |  |

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