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Significant Accounting Policies - Schedule of Property and Equipment Useful Lives (Detail) | 12 Months Ended
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Feb. 02, 2019
Building and Building Improvements [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment, Useful Life | 40 years
Minimum [Member] | Machinery, Equipment and Aircraft [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment, Useful Life | 3 years
Minimum [Member] | Furniture, Fixtures and Equipment [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment, Useful Life | 3 years
Minimum [Member] | Computer Software [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment, Useful Life | 3 years
Maximum [Member] | Machinery, Equipment and Aircraft [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment, Useful Life | 10 years
Maximum [Member] | Furniture, Fixtures and Equipment [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment, Useful Life | 7 years
Maximum [Member] | Computer Software [Member] |
Property, Plant and Equipment [Line Items] |
Property and Equipment, Useful Life | 10 years

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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- Details
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- Details
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- Details
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- Details
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