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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 |  |  |  |

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