Recently Issued Accounting Standards - Summary of Impact of Adopting ASU Condensed Consolidated Balance Sheets Footnotes (Detail) - Accounting Standards Update 2016-02 $ in Millions	12 Months Ended
Feb. 03, 2018 USD ($)
New Accounting Pronouncements or Change in Accounting Principle
Increase to retained earnings	$ 4.0
Adjustment
New Accounting Pronouncements or Change in Accounting Principle
Increase to retained earnings	$ 4.0

Amount of the cumulative effect on retained earnings net of related income tax effect.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

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