Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Apr. 28, 2018	Apr. 29, 2017
Property, Plant and Equipment [Abstract]
Land	$ 10,227	$ 11,518
Buildings	104,720	110,807
Leasehold improvements	26,624	25,173
Furniture and equipment	171,197	159,886
Computer hardware and software	211,453	206,402
Construction-in-progress	59,691	36,211
Property and equipment, gross	583,912	549,997
Accumulated depreciation	(293,322)	(251,545)
Property and equipment, net	290,590	298,452
Unamortized capitalized computer development	$ 43,026	$ 27,954

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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