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Note 6 - Disposition (Detail) (USD $)
1 Months Ended 3 Months Ended
Dec. 31, 2011
Jun. 30, 2012
Insurance lead generation business [Member]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds $ 63,800,000  
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax 53,700,000  
Other Nonoperating Income   $ 67,000