Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Receivables - other, reserve	$ 190	$ 60
Other intangible assets, accumulated amortization	58,274	112,502
Deferred sales commissions, accumulated amortization	5,873	57,480
Property and equipment, accumulated depreciation	$ 47,709	$ 41,981
Treasury stock, shares	25,748,016	25,841,365
Class A [Member]
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	20,000	20,000
Common stock, shares issued	9,000	9,000
Common stock, shares outstanding	9,000	9,000
Class B [Member]
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	900,000,000	900,000,000
Common stock, shares issued	129,505,456	129,505,456