Condensed Consolidated Balance Sheets Parentheticals - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023
ASSETS
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 222	$ 257
Property and Equipment Accumulated Depreciation	307,886	293,197
Other Intangible Assets Accumulated Amortization	$ 40,143	$ 38,785
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
Common Stock, Shares, Outstanding	24,865,000	24,724,000
Treasury Stock, Shares	4,565,000	4,706,000