Discontinued Operations and Assets Held for Sale (Income Statement Disclosure) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 26, 2017	Nov. 27, 2016	Nov. 26, 2017	Nov. 27, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax benefit	$ (2.5)	$ (0.6)	$ (3.5)	$ (1.3)
Losses from discontinued operations, net of tax	(3.9)	(0.2)	(6.2)	(1.1)
Red Lobster \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restaurant and marketing expenses	0.0	(0.2)	(0.3)	0.0
Other income and expenses	6.4	1.0	10.0	2.4
Losses before income taxes	(6.4)	(0.8)	(9.7)	(2.4)
Income tax benefit	(2.5)	(0.6)	(3.5)	(1.3)
Losses from discontinued operations, net of tax	$ (3.9)	$ (0.2)	$ (6.2)	$ (1.1)

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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