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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

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-Name Accounting Standards Codification

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-Name Regulation S-X (SX)

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Topic 210

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Property and Equipment, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 26, 2015	Apr. 27, 2014	Apr. 28, 2013
Property and equipment, net
Total property and equipment	$ 1,696,565us-gaap_PropertyPlantAndEquipmentGross	$ 1,689,182us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization	(784,529)	(733,578)
Property and equipment, net	912,036us-gaap_PropertyPlantAndEquipmentNet	955,604us-gaap_PropertyPlantAndEquipmentNet
Depreciation expense	78,037us-gaap_Depreciation	79,700us-gaap_Depreciation	70,326us-gaap_Depreciation
Land and land improvements
Property and equipment, net
Total property and equipment	195,808	195,478
Leasehold improvements
Property and equipment, net
Total property and equipment	145,402	144,667
Buildings and improvements
Property and equipment, net
Total property and equipment	716,427	715,976
Riverboats and floating pavilions
Property and equipment, net
Total property and equipment	104,980	102,839
Furniture, fixtures and equipment
Property and equipment, net
Total property and equipment	521,727	523,646
Construction in progress
Property and equipment, net
Total property and equipment	$ 12,221	$ 6,576