Condensed Consolidated Balance Sheets (unaudited) Parentheticals - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 2,490	$ 2,574
Property and Equipment Accumulated Depreciation	196,642	193,641
Intangible Assets Accumulated Amortization	$ 36,493	$ 40,442
Class A Common Stock
Common Stock, Shares Authorized	50,000,000	50,000,000
Common Stock, Shares, Issued	193,000	193,000
Common Stock, Par or Stated Value Per Share	$ 0.05	$ 0.05
Class B Common Stock
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	42,830,000	42,830,000
Treasury Stock, Shares	6,050,000	6,110,000
Common Stock, Par or Stated Value Per Share	$ 0.05	$ 0.05