5 . Acquisitions During the fiscal year ended January 31, 2012 , Autodesk completed the business combinations and technology purchases described below. The results of operations for the following acquisitions are included in the accompanying Consolidated Statement of Operations since their respective acquisition date. Pro forma results of operations have not been presented because the effects of the following acquisitions, individually and in the aggregate, were not material to Autodesk's Consolidated Financial Statements. For acquisitions accounted for as business combinations, Autodesk recorded the tangible and intangible assets acquired and liabilities assumed based on their estimated fair values at the date of acquisition. The fair values assigned to the identifiable intangible assets acquired were based on estimates and assumptions determined by management. Autodesk recorded the excess of consideration transferred over the aggregate fair values as goodwill. On March 1, 2011, Autodesk acquired Scaleform Corporation ( Scaleform ) for total cash consideration of $ 36.2 million . Scaleform was a privately held middleware and user interface tools company, whose technology has been licensed in the development of games across all major hardware platforms. Scaleform has been integrated into, and the related goodwill was assigned to Autodesk's Media and Entertainment segment. On March 10, 2011, Autodesk acquired Blue Ridge Numerics, Inc. ( Blue Ridge ) for total cash consideration of $ 41.2 million . Blue Ridge was a privately held company that designed and sold software that enables mechanical engineers to study fluid flow and thermal performance in virtual prototyping. Blue Ridge has been integrated into, and the related goodwill was assigned to Autodesk's Manufacturing segment. On August 1, 2011, Autodesk acquired Instructables, Inc. ( Instructables ) for total cash consideration of $ 30.2 million . Instructables was a privately held web-based company specializing in user-created and uploaded instructions for do-i