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Changes Recognized in Other Comprehensive loss (income), Postretirement Benefits (Detail) - USD ($) $ in Thousands | 12 Months Ended
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May 31, 2023 | May 31, 2022 | May 31, 2021
Amounts recognized as a component of net periodic benefit cost: |  |  |
Total recognized in other comprehensive (income) loss | $ (4,619) | $ (37,227) | $ (87,107)
Postretirement Benefits | Domestic |  |  |
Changes in plan assets and benefit obligations recognized in other comprehensive loss (income): |  |  |
Net loss (gain) arising during the year | (369) | (123) |
Amounts recognized as a component of net periodic benefit cost: |  |  |
Amortization or curtailment recognition of prior service credit | 121 | 160 |
Amortization or settlement recognition of net (loss) gain | (44) | (60) |
Total recognized in other comprehensive (income) loss | (292) | (23) |
Postretirement Benefits | Non-U.S. Plans |  |  |
Changes in plan assets and benefit obligations recognized in other comprehensive loss (income): |  |  |
Net loss (gain) arising during the year | (276) | (9,240) |
Effect of exchange rates on amounts included in AOCI | (265) | (418) |
Amounts recognized as a component of net periodic benefit cost: |  |  |
Amortization or settlement recognition of net (loss) gain | (51) | (121) |
Total recognized in other comprehensive (income) loss | $ (40) | $ (9,779) |

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- Definition Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580 + Details
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