Dispositions (Details) $ in Millions		3 Months Ended	6 Months Ended
	Jul. 28, 2014 restaurant	Nov. 29, 2015 USD ($) property	Nov. 29, 2015 USD ($) property	May. 31, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Land, buildings and equipment, carrying amount | $		$ 18.4	$ 18.4	$ 32.9
Red Lobster
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of restaurants sold | restaurant	705
Number of properties subject to contractual requirements satisfied | property		1
Total number of properties subject to contractual requirements | property		3
Remaining number of properties subject to contractual requirements | property			2
Gain on sale of discontinued operation | $			$ 854.4
Properties Subject to Contractual Requirements | Red Lobster
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of businesses | $		$ 9.1	$ 1.6
Transition service agreement period (up to)			2 years