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Postretirement Benefits (Tables) - Postretirement Benefits - Unfunded-Health-Care-Benefit Plans | 12 Months Ended
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May 31, 2020
Components of Net Periodic Pension and Postretirement Costs | The following table illustrates the effect on operations of these plans for the three years ended May 31, 2020:
|  | U.S. Plans |  |  | Non-U.S. Plans |
(In thousands) |  | 2020 |  | 2019 |  | 2018 |  |  | 2020 |  | 2019 |  | 2018 |
Service cost - benefits earned during the period |  | $ | - |  | $ | - |  | $ | - |  |  | $ | 1,661 |  | $ | 1,507 |  | $ | 1,307 |
Interest cost on the accumulated obligation |  |  | 149 |  |  | 192 |  |  | 173 |  |  |  | 1,089 |  |  | 1,122 |  |  | 939 |
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service (credit) |  |  | (219 | ) |  | (219 | ) |  | (220 | ) |  |  | - |  |  | - |  |  | - |
Net actuarial (gains) losses |  |  | (66 | ) |  | (26 | ) |  | 24 |  |  |  | 611 |  |  | 442 |  |  | 332 |
Net Postretirement Benefit (Income) Cost |  | $ | (136 | ) | $ | (53 | ) | $ | (23 | ) |  | $ | 3,361 |  | $ | 3,071 |  | $ | 2,578 |
Changes in Benefit Obligations | The changes in benefit obligations of the plans at May 31, 2020 and 2019 were as follows:
|  | U.S. Plans |  |  | Non-U.S. Plans |
(In thousands) |  | 2020 |  | 2019 |  |  | 2020 |  | 2019 |
Accumulated postretirement benefit obligation at beginning of year |  | $ | 4,990 |  | $ | 5,368 |  |  | $ | 37,663 |  | $ | 33,281 |
Service cost |  |  | - |  |  | - |  |  |  | 1,661 |  |  | 1,507 |
Interest cost |  |  | 149 |  |  | 192 |  |  |  | 1,089 |  |  | 1,122 |
Benefit payments |  |  | (1,659 | ) |  | (287 | ) |  |  | (639 | ) |  | (664 | )
Actuarial (gains) losses |  |  | 702 |  |  | (283 | ) |  |  | (683 | ) |  | 3,801 |
Currency exchange rate changes |  |  | - |  |  | - |  |  |  | (702 | ) |  | (1,384 | )
Accumulated and accrued postretirement benefit obligation at end of year |  | $ | 4,182 |  | $ | 4,990 |  |  | $ | 38,389 |  | $ | 37,663 |
Amounts Recognized in Consolidated Balance Sheet | Amounts recognized in the Consolidated Balance Sheets for the years ended May 31, 2020 and 2019 are as follows:
|  | U.S. Plans |  |  | Non-U.S. Plans |
(In thousands) |  | 2020 |  | 2019 |  |  | 2020 |  | 2019 |
Current liabilities |  | $ | (385 | ) | $ | (423 | ) |  | $ | (805 | ) | $ | (741 | )
Noncurrent liabilities |  |  | (3,797 | ) |  | (4,567 | ) |  |  | (37,584 | ) |  | (36,922 | )
Net Amount Recognized |  | $ | (4,182 | ) | $ | (4,990 | ) |  | $ | (38,389 | ) | $ | (37,663 | )
Pretax Net Actuarial Loss and Prior Service (Costs) Recognized in Accumulated Other Comprehensive Income (Loss) not Affecting Retained Earnings | The following table presents the pretax net actuarial gain (loss) and prior service credits recognized in accumulated other comprehensive income (loss) not affecting retained earnings:
|  | U.S. Plans |  |  | Non-U.S. Plans |
(In thousands) |  | 2020 |  | 2019 |  |  | 2020 |  | 2019 |
Net actuarial gain (loss) |  | $ | (386 | ) | $ | 381 |  |  | $ | (11,331 | ) | $ | (12,891 | )
Prior service credits |  |  | 448 |  |  | 667 |  |  |  | - |  |  | - |
Total recognized in accumulated other comprehensive income not affecting retained earnings |  | $ | 62 |  | $ | 1,048 |  |  | $ | (11,331 | ) | $ | (12,891 | )
Changes Recognized in Other Comprehensive Income | The following table includes the changes recognized in other comprehensive income:
|  | U.S. Plans |  |  | Non-U.S. Plans |
(In thousands) |  | 2020 |  | 2019 |  |  | 2020 |  | 2019 |
Changes in plan assets and benefit obligations recognized in other comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service cost |  | $ | - |  | $ | - |  |  | $ | - |  | $ | - |
Net loss (gain) arising during the year |  |  | 702 |  |  | (283 | ) |  |  | (683 | ) |  | 3,801 |
Effect of exchange rates on amounts included in AOCI |  |  | - |  |  | - |  |  |  | (266 | ) |  | (419 | )
Amounts recognized as a component of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization or curtailment recognition of prior service credit |  |  | 219 |  |  | 219 |  |  |  | - |  |  | - |
Amortization or settlement recognition of net gain (loss) |  |  | 66 |  |  | 26 |  |  |  | (611 | ) |  | (442 | )
Total recognized in other comprehensive loss (income) |  | $ | 987 |  | $ | (38 | ) |  | $ | (1,560 | ) | $ | 2,940 |
Weighted-Average Assumptions used to Determine Benefit Obligations and Net Periodic and Postretirement Costs | The following weighted-average assumptions were used to determine our year-end benefit obligations and net periodic postretirement benefit costs under the plans:
|  | U.S. Plans |  |  |  | Non-U.S. Plans |  |  |  |  |  |  |  |  |  |  |  |
Year-End Benefit Obligations |  | 2020 |  | 2019 |  | 2020 |  | 2019 |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 2.44 | % |  |  |  | 3.44 | % |  |  |  | 3.32 | % |  |  |  | 3.22 | % |  |  |  |  |  |  |  |  |  |  |
Current healthcare cost trend rate |  |  | 6.68 | % |  |  |  | 7.29 | % |  |  |  | 5.73 | % |  |  |  | 5.77 | % |  |  |  |  |  |  |  |  |  |  |
Ultimate healthcare cost trend rate |  |  | 4.36 | % |  |  |  | 4.36 | % |  |  |  | 3.70 | % |  |  |  | 3.70 | % |  |  |  |  |  |  |  |  |  |  |
Year ultimate healthcare cost trend rate will be realized |  |  | 2037 |  |  |  |  | 2037 |  |  |  |  | 2040 |  |  |  |  | 2040 |  |  |  |  |  |  |  |  |  |  |  |
|  | U.S. Plans |  |  |  | Non-U.S. Plans |  |
Net Periodic Postretirement Cost |  | 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Discount rate |  |  | 3.44 | % |  |  |  | 4.03 | % |  |  |  | 3.61 | % |  |  |  | 3.22 | % |  |  |  | 3.70 | % |  |  |  | 3.61 | % |
Healthcare cost trend rate |  |  | 7.29 | % |  |  |  | 7.86 | % |  |  |  | 14.75 | % |  |  |  | 5.77 | % |  |  |  | 6.02 | % |  |  |  | 5.85 | % |
Ultimate healthcare cost trend rate |  |  | 4.36 | % |  |  |  | 4.36 | % |  |  |  | 4.36 | % |  |  |  | 3.70 | % |  |  |  | 4.20 | % |  |  |  | 4.20 | % |
Year ultimate healthcare cost trend rate will be realized |  |  | 2037 |  |  |  |  | 2037 |  |  |  |  | 2037 |  |  |  |  | 2040 |  |  |  |  | 2032 |  |  |  |  | 2030 |  |
Increasing or Decreasing Current Healthcare Cost Trend Rates by One Percentage would affect Accumulated Postretirement Benefit Obligation and Net Postretirement Expense | We utilize a sensitivity analysis to measure the potential impact of changes in our healthcare cost trend rate on our Consolidated Financial Statements. Increasing or decreasing current healthcare cost trend rates by 1% would affect our accumulated postretirement benefit obligation and net postretirement expense by the following amounts for the years ended May 31, 2020 and 2019:
|  | U.S. Plans |  |  | Non-U.S. Plans |
(In thousands) |  | 2020 |  | 2019 |  |  | 2020 |  | 2019 |
1% Increase in Healthcare Cost Trend Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated benefit obligation |  | $ | 130 |  | $ | 124 |  |  | $ | 7,452 |  | $ | 8,300 |
Postretirement cost |  |  | 4 |  |  | 7 |  |  |  | 814 |  |  | 731 |
1% Decrease in Healthcare Cost Trend Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated benefit obligation |  | $ | (117 | ) | $ | (112 | ) |  | $ | (5,843 | ) | $ | (6,390 | )
Postretirement cost |  |  | (3 | ) |  | (6 | ) |  |  | (595 | ) |  | (539 | )

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