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PENSION PLANS | 3 Months Ended
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Aug. 31, 2012
PENSION PLANS | NOTE 13 — PENSION PLANS We offer defined benefit pension plans, defined contribution pension plans, as well as several unfunded health care benefit plans primarily for certain of our retired employees. The following tables provide the retirement-related benefit plans’ impact on income before income taxes for the quarters month periods ended August 31, 2012 and 2011:
|  | U.S. Plans |  |  | Non-U.S. Plans |
|  | Quarter Ended August 31, |  |  | Quarter Ended August 31, |
Pension Benefits |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (In thousands) |
Service cost |  | $ | 6,488 |  |  | $ | 4,977 |  |  | $ | 1,050 |  |  | $ | 965 |
Interest cost |  |  | 4,060 |  |  |  | 3,827 |  |  |  | 1,769 |  |  |  | 2,040 |
Expected return on plan assets |  |  | (4,358 | ) |  |  | (4,354 | ) |  |  | (1,846 | ) |  |  | (2,036 | )
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service cost |  |  | 87 |  |  |  | 88 |  |  |  | 2 |  |  |  | 3 |
Net actuarial losses recognized |  |  | 4,222 |  |  |  | 2,127 |  |  |  | 692 |  |  |  | 560 |
Net Periodic Benefit Cost |  | $ | 10,499 |  |  | $ | 6,665 |  |  | $ | 1,667 |  |  | $ | 1,532 |
|  | U.S. Plans |  |  | Non-U.S. Plans |
|  | Quarter Ended August 31, |  |  | Quarter Ended August 31, |
Postretirement Benefits |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (In thousands) |
Service cost |  | $ | — |  |  | $ | — |  |  | $ | 288 |  |  | $ | 192 |
Interest cost |  |  | 88 |  |  |  | 104 |  |  |  | 289 |  |  |  | 250 |
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service cost |  |  | (22 | ) |  |  | (22 | ) |  |  |  |  |  |  |  |
Net actuarial (gains) losses recognized |  |  | 4 |  |  |  | (14 | ) |  |  | 114 |  |  |  | 18 |
Net Periodic Benefit Cost |  | $ | 70 |  |  | $ | 68 |  |  | $ | 691 |  |  | $ | 460 |
We previously disclosed in our financial statements for the fiscal year ended May 31, 2012 that we expected to contribute approximately $29.9 million to our retirement plans in the U.S. and approximately $8.3 million to plans outside the U.S. during the current fiscal year. As of August 31, 2012, we do not anticipate any changes to those planned contribution levels.

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- Definition Pension Plans Disclosure. + References No definition available. + Details
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