Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement.

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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Price of a single share of a number of saleable stocks of a company.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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SHARE-BASED PAYMENTS - Stock Option Plan (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	May 27, 2018	May 28, 2017	May 29, 2016	Feb. 25, 2018	Nov. 26, 2017	Aug. 27, 2017	Feb. 26, 2017	Nov. 27, 2016	Aug. 28, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	0	1,100,000	1,600,000
Total intrinsic value of options exercised	$ 15.8
Closing market price of common stock (in dollars per share)	$ 37.41
Unrecognized compensation expense, net of estimated forfeitures, related to stock options	$ 2.3
Cash received from option exercises	25.1	$ 84.4	$ 228.7
Actual tax benefit realized for tax deductions from option exercises	5.3	19.5	57.3
Subsidiary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 0.4	$ 0.9	$ 1.0
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing market price of common stock (in dollars per share)	$ 35.34	$ 37.29		$ 35.47	$ 32.43	$ 33.07	$ 36.47	$ 34.30	$ 45.70
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing market price of common stock (in dollars per share)	$ 38.29	41.50		$ 38.50	$ 35.87	$ 39.95	$ 41.16	$ 48.68	$ 48.39
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Weighted average grant date value (in dollars per share)		$ 6.12	$ 5.08
Total intrinsic value of options exercised		$ 29.8	$ 165.6
Compensation expense	$ 4.2	6.2	9.4
Tax benefit	$ 1.4	2.4	3.6
Weighted average period for recognition	10 months 24 days
Options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period of options	7 years
Options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period of options	10 years
Discontinued operations \| Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 0.2	$ 0.8