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Employee Benefit Plans (Tables) | 9 Months Ended
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Feb. 28, 2015
Employee Benefit Plans [Abstract] |
Schedule of Defined Benefit Plans Disclosures | Components of Net Periodic Benefit Costs
(In millions) | Three Months Ended
| Pension Benefits |  | Other Post-Retirement Benefits
| February 28, 2015 |  | March 1, 2014 |  | February 28, 2015 |  | March 1, 2014
Domestic: |  |  |  |  |  |  |
Interest cost | $ | — |  |  | $ | — |  |  | $ | 0.1 |  |  | $ | 0.1 |
Expected return on plan assets | — |  |  | — |  |  | — |  |  | — |
Net amortization loss | — |  |  | — |  |  | — |  |  | — |
Settlement loss recognized | — |  |  | — |  |  | — |  |  | — |
Net periodic benefit cost | $ | — |  |  | $ | — |  |  | $ | 0.1 |  |  | $ | 0.1 |
International: |  |  |  |  |  |  |
Interest cost | $ | 1.2 |  |  | $ | 1.0 |  |  |  |  |
Expected return on plan assets | (1.5 | ) |  | (1.2 | ) |  |  |  |
Net amortization loss | 0.5 |  |  | 0.4 |  |  |  |  |
Net periodic benefit cost | $ | 0.2 |  |  | $ | 0.2 |  |  |  |  |
| Nine Months Ended
| Pension Benefits |  | Other Post-Retirement Benefits
| February 28, 2015 |  | March 1, 2014 |  | February 28, 2015 |  | March 1, 2014
Domestic: |  |  |  |  |  |  |
Interest cost | $ | — |  |  | $ | 5.2 |  |  | $ | 0.2 |  |  | $ | 0.2 |
Expected return on plan assets | — |  |  | (3.8 | ) |  | — |  |  | — |
Net amortization loss | — |  |  | 4.8 |  |  | — |  |  | — |
Settlement loss recognized | — |  |  | 158.2 |  |  | — |  |  | — |
Net periodic benefit cost | $ | — |  |  | $ | 164.4 |  |  | $ | 0.2 |  |  | $ | 0.2 |
International: |  |  |  |  |  |  |
Interest cost | $ | 3.5 |  |  | $ | 3.0 |  |  |  |  |
Expected return on plan assets | (4.5 | ) |  | (3.6 | ) |  |  |  |
Net amortization loss | 1.5 |  |  | 1.2 |  |  |  |  |
Net periodic benefit cost | $ | 0.5 |  |  | $ | 0.6 |  |  |  |  |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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