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Business Segments, Geographic Data, and Sales by Major Customers - Additional Information (Detail) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018 USD ($) Segment Customer	Dec. 31, 2017 Segment Customer	Mar. 15, 2018 Store
Segment Reporting Information [Line Items]
Number of reporting segments | Segment	3	3
Toys "R" Us
Segment Reporting Information [Line Items]
Pre and post-petition gross accounts receivable | $	$ 20.7
Toys "R" Us | United States
Segment Reporting Information [Line Items]
Number of stores | Store			735
Net Accounts Receivable | Customer Concentration Risk
Segment Reporting Information [Line Items]
Number of major customers | Customer	3	3
Net Accounts Receivable | Toys "R" Us | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	8.70%	26.40%
Net Accounts Receivable | Three Largest Customers | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk percentage	46.00%	60.60%

X

- Definition

Number of customers

+ References

No definition available.

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- Definition

Pre and post-petition bankruptcy receivables.

+ References

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 275
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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

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- Definition

Represents the number of stores.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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