Stock-Based Compensation (Additional Information) (Detail) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
Nov. 02, 2016	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost		$ 4.6
Total unrecognized compensation cost, expected recognition period (in years)		2 years
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum per share exercise price to participate in stock exchange program	$ 4.33

Share-based Compensation Arrangement by Share-based Payment Award, Stock Exchange Program, Minimum Exercise Price

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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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