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Long-Term Financing (Information Related To Senior Notes) (Details) - Senior Notes [Member] | 12 Months Ended
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May 31, 2020
Senior Notes, Series A [Member] |
Debt Instrument [Line Items] |
Stated interest rate | 4.07%
Effective interest rate | 4.16%
Interest rate type | Fixed
Interest payment dates | Semi-annual, in arrears
Principal payment dates | Mar. 13, 2026
Note type | Unsecured
Senior Notes, Series B [Member] |
Debt Instrument [Line Items] |
Stated interest rate | 4.25%
Effective interest rate | 4.32%
Interest rate type | Fixed
Interest payment dates | Semi-annual, in arrears
Principal payment dates | Mar. 13, 2029
Note type | Unsecured

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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