Condensed Consolidated Balance Sheets (Unaudited) Parentheticals - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016
ASSETS
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 1,664	$ 1,626
Property and Equipment Accumulated Depreciation	184,245	182,803
Intangible Assets Accumulated Amortization	$ 35,443	$ 35,148
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	280,000	280,000
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	42,745,000	42,744,000
Treasury Stock, Shares	5,557,000	5,726,000