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Condensed Consolidated Balance Sheets Parentheticals - USD ($)
$ in Thousands
Dec. 31, 2018
Jun. 30, 2018
ASSETS    
Allowance for Doubtful Accounts, Premiums and Other Receivables $ 687 $ 482
Property and Equipment Accumulated Depreciation 207,265 198,672
Other Intangible Assets Accumulated Amortization $ 28,217 $ 27,276
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 3,716,000 2,898,000