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Description of Business and Significant Accounting Policies - Property and Equipment Depreciation Life (Detail) | 12 Months Ended
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Apr. 27, 2018
Furniture and fixtures |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | 5 years
Leasehold improvements |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | Shorter of remaining lease term or useful life
Minimum | Buildings and improvements |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | 10 years
Minimum | Computer, production, engineering and other equipment |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | 2 years
Minimum | Computer software |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | 3 years
Maximum | Buildings and improvements |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | 40 years
Maximum | Computer, production, engineering and other equipment |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | 3 years
Maximum | Computer software |
Property Plant And Equipment [Line Items] |
Depreciation life (years) | 5 years

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223 + Details
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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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- 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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