Significant Customers And Concentration Of Credit Risk

12 Months Ended

Dec. 31, 2011

Significant Customers And Concentration Of Credit Risk [Abstract]

Significant Customers And Concentration Of Credit Risk

14. Significant Customers and Concentration of Credit Risk

Arbitron is a leading media and marketing information services firm primarily serving radio, advertisers, advertising agencies, cable and broadcast television, retailers, out-of-home media, online media, mobile media, telecommunications providers, and print media. The Company's quantitative radio ratings services and related software accounted for approximately 88 percent of it's total revenue in each of the years ended December 31, 2011, 2010, and 2009.

The Company had one customer that individually represented approximately 19%, 20%, and 19% of its annual revenue for the years ended December 31, 2011, 2010, and 2009, respectively. The Company had two customers that individually represented approximately 23% and 11% of the Company's total accounts receivable as of December 31, 2011, and two customers that individually represented approximately 24% and 11% of the Company's total accounts receivable as of December 31, 2010. The Company has historically experienced a high level of contract renewals.