Recent Accounting Pronouncements - Additional Information (Detail) $ in Thousands	Oct. 31, 2018 Package	Feb. 02, 2018 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net cumulative effect of increase (decrease) to retained earnings		$ (4,496)
Number of lease practical expedients package \| Package	3
Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net cumulative effect of increase (decrease) to retained earnings		$ 11,060

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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