Note 17. Subsequent Event	3 Months Ended
Nov. 30, 2011
Subsequent Events [Text Block]	17. SUBSEQUENT EVENT FactSet has performed an evaluation of subsequent events occurring subsequent to the end of the Company’s fiscal 2012 first quarter and through the date the consolidated financial statements were issued based on the accounting guidance for subsequent events. At the fiscal 2011 Annual Meeting of Stockholders (the “Meeting”) of FactSet held on December 13, 2011, the stockholders of FactSet voted on and approved an amendment to the Company’s Restated Certificate of Incorporation to increase the number of authorized shares of common stock, par value $0.01, of FactSet from 100,000,000 to 150,000,000 shares. Such amendment to FactSet’s Restated Certificate of Incorporation had previously been approved on October 24, 2011 by the Company’s Board of Directors. On December 16, 2011, a Certificate of Amendment was filed with the Secretary of State of Delaware to effect, as of such date, the foregoing amendment of the Company’s Restated Certificate of Incorporation. The newly authorized shares of common stock would be issuable for any proper corporate purpose, including future stock splits, stock dividends, acquisitions, raising equity capital or to adopt additional employee benefit plans. These additional shares will provide the Company the flexibility to issue shares for future corporate needs without potential expense or delay incident to obtaining stockholder approval for any particular issuance.

Note 17. Subsequent Event

3 Months Ended

Nov. 30, 2011

17. SUBSEQUENT EVENT

FactSet has performed an evaluation of subsequent events occurring subsequent to the end of the Company’s fiscal 2012 first quarter and through the date the consolidated financial statements were issued based on the accounting guidance for subsequent events.

At the fiscal 2011 Annual Meeting of Stockholders (the “Meeting”) of FactSet held on December 13, 2011, the stockholders of FactSet voted on and approved an amendment to the Company’s Restated Certificate of Incorporation to increase the number of authorized shares of common stock, par value $0.01, of FactSet from 100,000,000 to 150,000,000 shares. Such amendment to FactSet’s Restated Certificate of Incorporation had previously been approved on October 24, 2011 by the Company’s Board of Directors. On December 16, 2011, a Certificate of Amendment was filed with the Secretary of State of Delaware to effect, as of such date, the foregoing amendment of the Company’s Restated Certificate of Incorporation. The newly authorized shares of common stock would be issuable for any proper corporate purpose, including future stock splits, stock dividends, acquisitions, raising equity capital or to adopt additional employee benefit plans. These additional shares will provide the Company the flexibility to issue shares for future corporate needs without potential expense or delay incident to obtaining stockholder approval for any particular issuance.