Discontinued Operations - Schedule of Income from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 28, 2017	Jul. 29, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income from discontinued operations	$ 0	$ 4,586
Restaurants Business | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0	220,376
Costs of sales	0	55,236
Other operating expenses	0	159,707
Operating income from discontinued operations	0	5,433
Net interest expense	0	406
Income from discontinued operations before income taxes	0	5,027
Provision for income taxes	0	441
Net income from discontinued operations	$ 0	$ 4,586