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Employee Benefit Plans | 9 Months Ended
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Feb. 28, 2015
Employee Benefit Plans [Abstract] |
Pension and Other Postretirement Benefits Disclosure | EMPLOYEE BENEFIT PLANS Pension Plans and Post-Retirement Medical Insurance During the second quarter of fiscal 2014, the company settled the remaining obligations associated with its primary domestic defined benefit pension plans. Plan participants received vested benefits from the plan assets by electing a lump sum distribution, a roll-over contribution to other 401(k) or individual retirement plans, or an annuity contract with a qualifying third-party provider. These payments resulted in the settlement of the primary domestic defined benefit pension plans, thus relieving the company of any further obligation. 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 The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414199&loc=d3e39622-114963 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 + Details
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