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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 |  |  |  |  |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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