Nature of Business	3 Months Ended
Dec. 31, 2012
Nature of Business	1. Nature of Business *Fair Isaac Corporation* Incorporated under the laws of the State of Delaware, Fair Isaac Corporation (“FICO”) is a provider of analytic, software and data management products and services that enable businesses to automate, improve and connect decisions. FICO provides a range of analytical solutions, credit scoring and credit account management products and services to banks, credit reporting agencies, credit card processing agencies, insurers, retailers and healthcare organizations. In these condensed consolidated financial statements, FICO is referred to as “we,” “us,” “our,” or “FICO”. *Principles of Consolidation and Basis of Presentation* We have prepared the accompanying unaudited interim condensed consolidated financial statements in accordance with the instructions to Form 10-Q and the applicable accounting guidance. Consequently, we have not necessarily included in this Form 10-Q all information and footnotes required for audited financial statements. In our opinion, the accompanying unaudited interim condensed consolidated financial statements in this Form 10-Q reflect all adjustments (consisting only of normal recurring adjustments, except as otherwise indicated) necessary for a fair presentation of our financial position and results of operations. These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with our audited consolidated financial statements and notes thereto presented in our Annual Report on Form 10-K for the year ended September 30, 2012. The interim financial information contained in this report is not necessarily indicative of the results to be expected for any other interim period or for the entire fiscal year. The condensed consolidated financial statements include the accounts of FICO and its subsidiaries. All intercompany accounts and transactions have been eliminated. *Use of Estimates* We make estimates and assumptions that affect the amounts reported in the financial statements and the disclosures made in the accompanying notes. For example, we use estimates in determining the collectibility of accounts receivable; the appropriate levels of various accruals; labor hours in connection with fixed-fee service contracts; the amount of our tax provision and the realizability of deferred tax assets. We also use estimates in determining the remaining economic lives and carrying values of acquired intangible assets, property and equipment, and other long-lived assets. In addition, we use assumptions to estimate the fair value of reporting units and share-based compensation. Actual results may differ from our estimates. *New Accounting Pronouncements Recently Issued or Adopted* On May 12, 2011 the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2011-04, “Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs” (ASU 2011-04). This update amends Accounting Standards Codification (ASC) Topic 820, “Fair Value Measurement and Disclosure.” ASU 2011-04 clarifies the application of certain existing fair value measurement guidance and expands the disclosures for fair value measurements that are estimated using significant unobservable (Level 3) inputs. ASU 2011-04 is effective for annual and interim reporting periods beginning on or after December 15, 2011, which means that it became effective for our fiscal year that began on October 1, 2012. Our adoption of ASU 2011-04 did not have a significant impact on our consolidated financial statements. On September 15, 2011, the FASB issued ASU No. 2011-08, “Intangibles—Goodwill and Other (Topic 350): Testing Goodwill for Impairment” (ASU 2011-08). This update amends the guidance in ASC 350-20 on testing goodwill for impairment. Under the revised guidance, entities testing goodwill for impairment have the option of performing a qualitative assessment before calculating the fair value of the reporting unit (i.e. step 1 of the goodwill impairment test). If entities determine, on the basis of qualitative factors, that the fair value of the reporting unit is more likely than not less than the carrying amount, the two-step impairment test would be required. ASU 2011-08 does not change how goodwill is calculated or assigned to reporting units, nor does it revise the requirement to test goodwill annually for impairment. In addition, ASU 2011-08 does not amend the requirement to test goodwill for impairment between annual tests if events or circumstances warrant; however, it does revise the examples of events and circumstances that an entity should consider. ASU 2011-08 is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, which means that it became effective for our fiscal year that began on October 1, 2012. We test our goodwill annually in our fourth fiscal quarter and whenever an event or change in circumstances indicates that the carrying value of the asset may not be recoverable. Our adoption of ASU 2011-08 did not have a significant impact on our consolidated financial statements. On December 16, 2011 the FASB issued ASU No. 2011-11, “Balance Sheet (Topic 210): Disclosures about Offsetting Assets and Liabilities.” (ASU 2011-11). ASU 2011-11 provides for additional disclosures of both gross information and net information about both instruments and transactions eligible for offset in the statement of financial position and instruments and transactions subject to an agreement similar to a master netting arrangement. This scope would include derivatives, sale and repurchase agreements and reverse sale and repurchase agreements, and securities borrowing and securities lending arrangements. ASU 2011-11 is effective for fiscal years, and interim periods within those years, beginning on or after January 1, 2013, which means that it will be effective for our fiscal year beginning October 1, 2013. Retrospective adoption is required. We do not believe that adoption of ASU 2011-11 will have a significant impact on our consolidated financial statements.

1. Nature of Business

Fair Isaac Corporation

Incorporated under the laws of the State of Delaware, Fair Isaac Corporation (“FICO”) is a provider of analytic, software and data management products and services that enable businesses to automate, improve and connect decisions. FICO provides a range of analytical solutions, credit scoring and credit account management products and services to banks, credit reporting agencies, credit card processing agencies, insurers, retailers and healthcare organizations.

In these condensed consolidated financial statements, FICO is referred to as “we,” “us,” “our,” or “FICO”.

Principles of Consolidation and Basis of Presentation

We have prepared the accompanying unaudited interim condensed consolidated financial statements in accordance with the instructions to Form 10-Q and the applicable accounting guidance. Consequently, we have not necessarily included in this Form 10-Q all information and footnotes required for audited financial statements. In our opinion, the accompanying unaudited interim condensed consolidated financial statements in this Form 10-Q reflect all adjustments (consisting only of normal recurring adjustments, except as otherwise indicated) necessary for a fair presentation of our financial position and results of operations. These unaudited condensed consolidated financial statements and notes thereto should be read in conjunction with our audited consolidated financial statements and notes thereto presented in our Annual Report on Form 10-K for the year ended September 30, 2012. The interim financial information contained in this report is not necessarily indicative of the results to be expected for any other interim period or for the entire fiscal year.

The condensed consolidated financial statements include the accounts of FICO and its subsidiaries. All intercompany accounts and transactions have been eliminated.

Use of Estimates

We make estimates and assumptions that affect the amounts reported in the financial statements and the disclosures made in the accompanying notes. For example, we use estimates in determining the collectibility of accounts receivable; the appropriate levels of various accruals; labor hours in connection with fixed-fee service contracts; the amount of our tax provision and the realizability of deferred tax assets. We also use estimates in determining the remaining economic lives and carrying values of acquired intangible assets, property and equipment, and other long-lived assets. In addition, we use assumptions to estimate the fair value of reporting units and share-based compensation. Actual results may differ from our estimates.

New Accounting Pronouncements Recently Issued or Adopted

On May 12, 2011 the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2011-04, “Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs” (ASU 2011-04). This update amends Accounting Standards Codification (ASC) Topic 820, “Fair Value Measurement and Disclosure.” ASU 2011-04 clarifies the application of certain existing fair value measurement guidance and expands the disclosures for fair value measurements that are estimated using significant unobservable (Level 3) inputs. ASU 2011-04 is effective for annual and interim reporting periods beginning on or after December 15, 2011, which means that it became effective for our fiscal year that began on October 1, 2012. Our adoption of ASU 2011-04 did not have a significant impact on our consolidated financial statements.

On September 15, 2011, the FASB issued ASU No. 2011-08, “Intangibles—Goodwill and Other (Topic 350): Testing Goodwill for Impairment” (ASU 2011-08). This update amends the guidance in ASC 350-20 on testing goodwill for impairment. Under the revised guidance, entities testing goodwill for impairment have the option of performing a qualitative assessment before calculating the fair value of the reporting unit (i.e. step 1 of the goodwill impairment test). If entities determine, on the basis of qualitative factors, that the fair value of the reporting unit is more likely than not less than the carrying amount, the two-step impairment test would be required. ASU 2011-08 does not change how goodwill is calculated or assigned to reporting units, nor does it revise the requirement to test goodwill annually for impairment. In addition, ASU 2011-08 does not amend the requirement to test goodwill for impairment between annual tests if events or circumstances warrant; however, it does revise the examples of events and circumstances that an entity should consider. ASU 2011-08 is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, which means that it became effective for our fiscal year that began on October 1, 2012. We test our goodwill annually in our fourth fiscal quarter and whenever an event or change in circumstances indicates that the carrying value of the asset may not be recoverable. Our adoption of ASU 2011-08 did not have a significant impact on our consolidated financial statements.

On December 16, 2011 the FASB issued ASU No. 2011-11, “Balance Sheet (Topic 210): Disclosures about Offsetting Assets and Liabilities.” (ASU 2011-11). ASU 2011-11 provides for additional disclosures of both gross information and net information about both instruments and transactions eligible for offset in the statement of financial position and instruments and transactions subject to an agreement similar to a master netting arrangement. This scope would include derivatives, sale and repurchase agreements and reverse sale and repurchase agreements, and securities borrowing and securities lending arrangements. ASU 2011-11 is effective for fiscal years, and interim periods within those years, beginning on or after January 1, 2013, which means that it will be effective for our fiscal year beginning October 1, 2013. Retrospective adoption is required. We do not believe that adoption of ASU 2011-11 will have a significant impact on our consolidated financial statements.