Description of Business	12 Months Ended
Dec. 31, 2012
Description Of Business [Abstract]
Description Of Business	1. DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION Navigant Consulting, Inc. (“we,” ”us,” or “our”) is an independent specialty consulting firm that combines deep industry knowledge with technical expertise to enable companies to create and protect value in the face of complex and critical business risks and opportunities. Our professional service offerings include dispute, investigative, economic, operational, risk management and financial and regulatory advisory solutions. We provide our services to companies, legal counsel and governmental agencies facing the challenges of uncertainty, risk, distress and significant change. We provide services to and focus on industries undergoing substantial regulatory or structural change and on the issues driving these transformations. Our business is organized in four reporting segments — Disputes, Investigations & Economics; Financial, Risk & Compliance Advisory; Healthcare; and Energy, which were realigned during the second quarter of 2012. We have disclosed all material subsequent events up to the date our financial statements were available to be issued. We are headquartered in Chicago, Illinois and have offices in various cities within the United States, as well as offices in the United Kingdom, Canada, China, and Dubai and other countries outside the U.S. Our non-U.S. subsidiaries, in the aggregate, represented approximately 11%, 12% and 13% of our total revenues in 2012, 2011 and 2010, respectively.

1. DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

Navigant Consulting, Inc. (“we,” ”us,” or “our”) is an independent specialty consulting firm that combines deep industry knowledge with technical expertise to enable companies to create and protect value in the face of complex and critical business risks and opportunities. Our professional service offerings include dispute, investigative, economic, operational, risk management and financial and regulatory advisory solutions. We provide our services to companies, legal counsel and governmental agencies facing the challenges of uncertainty, risk, distress and significant change. We provide services to and focus on industries undergoing substantial regulatory or structural change and on the issues driving these transformations. Our business is organized in four reporting segments — Disputes, Investigations & Economics; Financial, Risk & Compliance Advisory; Healthcare; and Energy, which were realigned during the second quarter of 2012. We have disclosed all material subsequent events up to the date our financial statements were available to be issued.

We are headquartered in Chicago, Illinois and have offices in various cities within the United States, as well as offices in the United Kingdom, Canada, China, and Dubai and other countries outside the U.S. Our non-U.S. subsidiaries, in the aggregate, represented approximately 11%, 12% and 13% of our total revenues in 2012, 2011 and 2010, respectively.