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Condensed Consolidated Balance Sheets Parentheticals - USD ($)
$ in Thousands
Sep. 30, 2021
Jun. 30, 2021
ASSETS    
Allowance for Doubtful Accounts, Premiums and Other Receivables $ 181 $ 177
Property and Equipment Accumulated Depreciation 269,008 264,907
Other Intangible Assets Accumulated Amortization $ 36,651 $ 35,813
Share Owners' Equity    
Preferred Stock, Par or Stated Value Per Share $ 0 $ 0
Preferred Stock, Shares Authorized 15,000,000 15,000,000
Preferred Stock, Shares Issued 0 0
Common Stock, Par Value Per Share $ 0 $ 0
Common Stock, Shares Authorized 150,000,000 150,000,000
Common Stock, Shares, Issued 29,430,000 29,430,000
Treasury Stock, Shares 4,329,000 4,473,000