CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Class A
Common Stock, no par	$ 0.00	$ 0.00
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares Issued	40,965,522	44,213,239
Common Stock, Shares Outstanding	40,711,620	43,958,041
Treasury Stock, Shares	253,902	255,198
Class B
Common Stock, no par	$ 0.00	$ 0.00
Common Stock, Shares Authorized	10,000,000	10,000,000
Common Stock, Shares Issued	3,172,279	3,178,019
Common Stock, Shares Outstanding	3,172,279	3,178,019