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Earnings Per Share - Additional Information (Detail)	3 Months Ended
Earnings Per Share - Additional Information (Detail)	May 03, 2014	May 04, 2013
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options and restricted stock units were excluded from calculation of diluted net earnings share	1,362,462	8,246,577
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options and restricted stock units were excluded from calculation of diluted net earnings share	22,750	41,713

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.

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