Business Overview	6 Months Ended
Business Overview	Jun. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business Overview	2. Business Overview NCI is a leading provider of enterprise solutions and services to U.S. defense, intelligence, health care and civilian government agencies. We have the expertise and proven track record to solve our customers’ most important and complex mission challenges through technology and innovation. Our team of highly skilled professionals focuses on delivering cost-effective solutions and services in the areas of agile software application and systems development/integration; cybersecurity and information assurance; engineering and logistics support; enterprise information management and advanced analytics; cloud computing and IT infrastructure optimization; health IT and medical support; IT service management; and modeling, simulation and training. Headquartered in Reston, Virginia, the Company has approximately 2,000 employees operating at more than 100 locations worldwide. The majority of the Company’s revenue was derived from contracts with the U.S. Federal Government, directly as a prime contractor or as a subcontractor. NCI primarily conducts business throughout the U. S. The Company reports operating results and financial data as one reportable segment. For the three and six months ended June 30, 2017, the Company generated approximately 62% of revenue from the Department of Defense, including agencies within the intelligence community, and approximately 38% of revenue from federal civilian agencies. For the three and six months ended June 30, 2016, the Company generated approximately 64% of revenue from the Department of Defense, including agencies within the intelligence community, and approximately 36% of revenue from federal civilian agencies. NCI’s Program Executive Office Soldier (“PEO Soldier”) contract is the Company’s largest revenue-generating contract and accounted for approximately 16% and 17% of revenue for the three months ended June 30, 2017 and 2016, respectively. The Company’s PEO Soldier program is a cost-plus fee contract consisting of a base period and four option periods for a total term of five years, which commenced in October 1, 2015. NCI’s Cyber Network Operations and Security Support (“CNOSS”) program, supporting the U.S. Army Network Enterprise Technology Command accounted for approximately 11% of revenue for the three months ended June 30, 2017 and 2016. This cost-plus-fixed-fee, single award indefinite delivery indefinite quantity contract consists of a 12-month base period with two one-year option periods and one six-month option period, and commenced in October 2014.

NCI, Inc. 10-Q