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Earnings per Share - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017	Nov. 03, 2018	Oct. 28, 2017
Common stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares that were not included in the computation of weighted average diluted common share amounts as the effect of doing so would have been anti-dilutive	700,000	2,500,000	0	2,500,000
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares that were not included in the computation of weighted average diluted common share amounts as the effect of doing so would have been anti-dilutive	400,000	100,000	400,000	900,000
Restricted Stock Units (RSUs) | Performance shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares that were not included in the computation of weighted average diluted common share amounts as the effect of doing so would have been anti-dilutive	1,000,000	100,000	1,300,000	900,000

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

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+ References

No definition available.

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