Condensed Consolidated Balance Sheets (Unaudited) Parentheticals - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
ASSETS
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 1,362	$ 1,317
Property and Equipment Accumulated Depreciation	181,743	180,059
Intangible Assets Accumulated Amortization	$ 37,688	$ 36,757
Class A Common Stock
Share Owners' Equity
Common Stock, Par or Stated Value Per Share	$ 0.05	$ 0.05
Common Stock, Shares Authorized	50,000,000	50,000,000
Common Stock, Shares, Issued	257,000	264,000
Class B Common Stock
Share Owners' Equity
Common Stock, Par or Stated Value Per Share	$ 0.05	$ 0.05
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	42,768,000	42,761,000
Treasury Stock, Shares	6,324,000	5,901,000