Consolidated Statements of Earnings (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Feb. 26, 2017	Feb. 28, 2016	Feb. 26, 2017	Feb. 28, 2016
Income Statement [Abstract]
Earnings (losses) from discontinued operations, tax expense (benefit)	$ (0.9)	$ (0.3)	$ (2.2)	$ 2.9

- Definition

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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