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Consolidated Statements of Share Owners' Equity Parentheticals - shares
 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Deferred Share Issuance, Shares 3,000 3,000 0
Stock Issued During Period, Shares, Issued for Services 4,000 4,000 4,000
Performance Share Issuance, Shares 156,000 184,000 203,000
Treasury Stock, Shares, Acquired 193,000 623,000 1,320,000
Accounting Standards Update [Extensible List]     us-gaap:AccountingStandardsUpdate201409Member