INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Feb. 26, 2017	Nov. 27, 2016	Feb. 28, 2016	Feb. 26, 2017	Feb. 28, 2016	May 29, 2016
Income Tax Disclosure [Abstract]
Income tax expense	$ 67.9		$ 33.6	$ 315.5	$ 126.0
Effective tax rate	27.40%		32.00%	44.60%	34.00%
Gross unrecognized tax benefits for uncertain tax positions	$ 30.9			$ 30.9		$ 33.0
Related liabilities for gross interest and penalties	5.5			5.5		6.6
Net amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate	22.7			22.7		24.5
Gross unrecognized tax benefits, estimated decrease over the next twelve months (up to)	8.7			8.7
Deferred tax asset	1,090.0			1,090.0		1,540.0
Corresponding valuation allowances	$ 1,090.0			$ 1,090.0		$ 1,400.0
Reduction in valuation allowance recorded in stockholders' equity as part of the Spinoff		$ 150.4

Income Tax Effects Allocated Directly To Equity, Change In Valuation Allowance Due To Spin-Off

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

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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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.

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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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