Business and Basis of Presentation	9 Months Ended
Sep. 30, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business and Basis of Presentation	Business and Basis of Presentation The interim condensed consolidated financial statements of Dex One Corporation and its direct and indirect wholly-owned subsidiaries (“Dex One,” the “Successor Company,” the “Company,” “Parent Company,” “we,” “us” and “our”) have been prepared in accordance with the Securities and Exchange Commission’s (“SEC”) instructions to this Quarterly Report on Form 10-Q and should be read in conjunction with the financial statements and related notes included in our Annual Report on Form 10-K for the year ended December 31, 2010. The interim condensed consolidated financial statements include the accounts of Dex One and its direct and indirect wholly-owned subsidiaries. As of September 30, 2011, R.H. Donnelley Corporation, R.H. Donnelley Inc. (“RHDI”), Dex Media, Inc. (“Dex Media”), Dex One Digital, Inc. ("Dex One Digital"), formerly known as Business.com, Inc. (“Business.com”), and Dex One Service, Inc. (“Dex One Service”) were our only direct wholly-owned subsidiaries. All intercompany transactions and balances have been eliminated. The results of interim periods are not necessarily indicative of results for the full year or any subsequent period. In the opinion of management, all material adjustments (consisting of normal recurring adjustments) considered necessary for a fair statement of financial position, results of operations and cash flows at the dates and for the periods presented have been included. Dex One became the successor registrant to R.H. Donnelley Corporation (“RHD” or the “Predecessor Company”) upon emergence from Chapter 11 relief under Title 11 of the United States Code (“Chapter 11”) on January 29, 2010 (the “Effective Date”). References to the Predecessor Company in this Quarterly Report on Form 10-Q pertain to periods prior to the Effective Date. In conjunction with our restructuring plan that commenced during the fourth quarter of 2010 and the resulting changes in our organizational structure, certain prior period amounts included in the unaudited condensed consolidated statements of operations have been reclassified to conform to the current period’s presentation. See Note 4, “Restructuring Charges” for additional information. Corporate Overview We are a marketing solutions company that helps local businesses generate leads and manage their presence among consumers in the markets we serve. Our marketing solutions combine multiple media platforms that drive large volumes of leads to our clients. Our locally based marketing consultants offer local businesses personalized marketing consulting services and exposure across these media platforms, including our print, online and mobile yellow pages and search solutions, as well as major search engines. Our proprietary marketing solutions include our Dex published yellow pages directories, which we co-brand with other recognizable brands in the industry such as CenturyLink and AT&T, our Internet yellow pages site, DexKnows.com, and our mobile applications, Dex Mobile and CityCentral. Our growing list of marketing solutions also includes local business and market analysis, message and image creation, target market identification, advertising and digital profile creation, websites, mobile websites, reputation management, keyword optimization strategies and programs, distribution strategies, and tracking and reporting. Our digital lead generation solutions are powered by our search engine marketing product, DexNet, which extends our clients’ reach to our leading Internet and mobile partners to attract consumers searching for local businesses, products and services within our markets.

Business and Basis of Presentation

The interim condensed consolidated financial statements of Dex One Corporation and its direct and indirect wholly-owned subsidiaries (“Dex One,” the “Successor Company,” the “Company,” “Parent Company,” “we,” “us” and “our”) have been prepared in accordance with the Securities and Exchange Commission’s (“SEC”) instructions to this Quarterly Report on Form 10-Q and should be read in conjunction with the financial statements and related notes included in our Annual Report on Form 10-K for the year ended December 31, 2010. The interim condensed consolidated financial statements include the accounts of Dex One and its direct and indirect wholly-owned subsidiaries. As of September 30, 2011, R.H. Donnelley Corporation, R.H. Donnelley Inc. (“RHDI”), Dex Media, Inc. (“Dex Media”), Dex One Digital, Inc. ("Dex One Digital"), formerly known as Business.com, Inc. (“Business.com”), and Dex One Service, Inc. (“Dex One Service”) were our only direct wholly-owned subsidiaries. All intercompany transactions and balances have been eliminated. The results of interim periods are not necessarily indicative of results for the full year or any subsequent period. In the opinion of management, all material adjustments (consisting of normal recurring adjustments) considered necessary for a fair statement of financial position, results of operations and cash flows at the dates and for the periods presented have been included.

Dex One became the successor registrant to R.H. Donnelley Corporation (“RHD” or the “Predecessor Company”) upon emergence from Chapter 11 relief under Title 11 of the United States Code (“Chapter 11”) on January 29, 2010 (the “Effective Date”). References to the Predecessor Company in this Quarterly Report on Form 10-Q pertain to periods prior to the Effective Date.

In conjunction with our restructuring plan that commenced during the fourth quarter of 2010 and the resulting changes in our organizational structure, certain prior period amounts included in the unaudited condensed consolidated statements of operations have been reclassified to conform to the current period’s presentation. See Note 4, “Restructuring Charges” for additional information.

Corporate Overview

We are a marketing solutions company that helps local businesses generate leads and manage their presence among consumers in the markets we serve. Our marketing solutions combine multiple media platforms that drive large volumes of leads to our clients. Our locally based marketing consultants offer local businesses personalized marketing consulting services and exposure across these media platforms, including our print, online and mobile yellow pages and search solutions, as well as major search engines.

Our proprietary marketing solutions include our Dex published yellow pages directories, which we co-brand with other recognizable brands in the industry such as CenturyLink and AT&T, our Internet yellow pages site, DexKnows.com, and our mobile applications, Dex Mobile and CityCentral. Our growing list of marketing solutions also includes local business and market analysis, message and image creation, target market identification, advertising and digital profile creation, websites, mobile websites, reputation management, keyword optimization strategies and programs, distribution strategies, and tracking and reporting. Our digital lead generation solutions are powered by our search engine marketing product, DexNet, which extends our clients’ reach to our leading Internet and mobile partners to attract consumers searching for local businesses, products and services within our markets.