Note 1 - Organization and Nature of Business	3 Months Ended
Nov. 30, 2013
Disclosure Text Block [Abstract]
Nature of Operations [Text Block]	1. ORGANIZATION AND NATURE OF BUSINESS FactSet Research Systems Inc. (the “Company” or “FactSet”) is a provider of integrated financial information and analytical applications to the global investment community. FactSet combines content regarding companies and securities from major markets all over the globe into a single online platform of information and analytics. By consolidating content from hundreds of databases with powerful analytics, FactSet supports the investment process from initial research to published results for buy and sell-side professionals. These professionals include portfolio managers, research and performance analysts, risk managers, marketing professionals, sell-side equity research professionals, investment bankers and fixed income professionals. The Company’s applications provide users access to company analysis, multicompany comparisons, industry analysis, company screening, portfolio analysis, predictive risk measurements, alphatesting, portfolio optimization and simulation, real-time news and quotes and tools to value and analyze fixed income securities and portfolios. With Microsoft Office integration, wireless access and customizable options, FactSet offers a complete financial workflow solution. The Company’s revenues are derived from subscriptions to services such as workstations, content and applications.

Note 1 - Organization and Nature of Business

3 Months Ended

Nov. 30, 2013

1. ORGANIZATION AND NATURE OF BUSINESS

FactSet Research Systems Inc. (the “Company” or “FactSet”) is a provider of integrated financial information and analytical applications to the global investment community. FactSet combines content regarding companies and securities from major markets all over the globe into a single online platform of information and analytics. By consolidating content from hundreds of databases with powerful analytics, FactSet supports the investment process from initial research to published results for buy and sell-side professionals. These professionals include portfolio managers, research and performance analysts, risk managers, marketing professionals, sell-side equity research professionals, investment bankers and fixed income professionals. The Company’s applications provide users access to company analysis, multicompany comparisons, industry analysis, company screening, portfolio analysis, predictive risk measurements, alphatesting, portfolio optimization and simulation, real-time news and quotes and tools to value and analyze fixed income securities and portfolios. With Microsoft Office integration, wireless access and customizable options, FactSet offers a complete financial workflow solution. The Company’s revenues are derived from subscriptions to services such as workstations, content and applications.