Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Apr. 27, 2019	Apr. 28, 2018
Property, Plant and Equipment [Abstract]
Land	$ 11,969	$ 10,227
Buildings	118,556	104,720
Leasehold improvements	28,359	26,624
Furniture and equipment	175,774	171,197
Computer hardware and software	218,893	211,453
Construction-in-progress	75,860	59,691
Property and equipment, gross	629,411	583,912
Accumulated depreciation	(323,621)	(293,322)
Property and equipment, net	305,790	290,590
Unamortized capitalized computer development	$ 57,006	$ 43,026

Computer hardware and software, gross.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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