INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 29, 2015	Nov. 23, 2014	Nov. 29, 2015	Nov. 23, 2014	May. 31, 2015
Income Tax Disclosure [Abstract]
Income tax expense	$ 83.2	$ 101.9	$ 168.1	$ 145.0
Effective tax rate (as a percent)	33.00%	32.00%	34.00%	32.00%
Gross unrecognized tax benefits	$ 35.0		$ 35.0		$ 35.3
Unrecognized tax benefits with uncertainty of timing of deductibility	1.7		1.7		1.7
Unrecognized liabilities for gross interest and penalties	10.3		10.3		9.5
Unrecognized tax benefits that would favorably impact effective tax rate	23.0		23.0		$ 23.1
Gross unrecognized tax benefits, decrease (up to)	$ 3.5		$ 3.5

Unrecognized tax benefits with uncertainty of timing of deductibility.

No definition available.

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-Subparagraph (d)(3)
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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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