Net Income Per Share - Additional Information (Detail) - shares		6 Months Ended
Feb. 02, 2018	Jun. 29, 2018
Earnings Per Share [Abstract]
Common stock, shares issued	4,761,905
Weighted average impact of shares issued		3,872,318

Number of new stock issued during the period.

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-Name Accounting Standards Codification
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-Section S99
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-Name Accounting Standards Codification
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration