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Earnings Per Share | 6 Months Ended
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Nov. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | EARNINGS PER SHARE The following table reconciles the numerators and denominators used in the calculations of basic and diluted earnings per share (EPS).
| Three Months Ended |  | Six Months Ended
| November 30, 2013 |  | December 1, 2012 |  | November 30, 2013 |  | December 1, 2012
Numerators: |  |  |  |  |  |  |
Numerator for both basic and diluted EPS, net earnings (loss) - in millions | $ | (80.6 | ) |  | $ | 8.4 |  |  | $ | (58.1 | ) |  | $ | 28.3 |
Denominators: |  |  |  |  |  |  |
Denominator for basic EPS, weighted-average common shares outstanding | 58,923,648 |  |  | 58,373,256 |  |  | 58,825,377 |  |  | 58,345,979 |
Potentially dilutive shares resulting from stock plans | — |  |  | 344,965 |  |  | — |  |  | 322,546 |
Denominator for diluted EPS | 58,923,648 |  |  | 58,718,221 |  |  | 58,825,377 |  |  | 58,668,525 |
Antidilutive equity awards not included in weighted-average common shares - diluted | 2,780,570 |  |  | 2,179,007 |  |  | 2,867,150 |  |  | 2,125,822 |
Restricted stock and restricted stock units granted to certain key employees of the company are included in the denominator for diluted EPS. Each restricted stock unit represents one equivalent share of the company's common stock to be awarded, free of restrictions, after the vesting period. However, these units do not entitle participants to the rights of shareholders of common stock, such as voting rights, and they are forfeitable at all times prior to the vesting date. Dividend-equivalent awards are credited and accumulate quarterly and are forfeitable at all times until vested. The company has certain share-based payment awards that meet the definition of participating securities. The company has evaluated the impact on EPS of all participating securities under the two-class method, noting the impact on EPS was immaterial.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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