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v3.20.2

Employee Benefit Plans - Asset Allocations in the Pension Plan (Details) | May 31, 2020 | May 31, 2019
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Defined Benefit Plan Disclosure [Line Items] |  |
Target Asset Allocations | 100.00% |
Actual Asset Allocations | 100.00% | 100.00%
Large cap equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Asset Allocations | 26.00% |
Actual Asset Allocations | 25.00% | 26.40%
Small cap equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Asset Allocations | 5.00% |
Actual Asset Allocations | 4.40% | 5.30%
International equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Asset Allocations | 8.00% |
Actual Asset Allocations | 6.70% | 7.80%
Fixed income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Asset Allocations | 45.00% |
Actual Asset Allocations | 51.50% | 45.00%
Absolute return strategy funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Asset Allocations | 16.00% |
Actual Asset Allocations | 11.90% | 13.30%
Cash |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Asset Allocations | 0.00% |
Actual Asset Allocations | 0.50% | 2.20%

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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