Research and Development Arrangements	12 Months Ended
Research and Development Arrangements	Jan. 31, 2011
Research and Development Arrangements
Research and Development Arrangements	17. RESEARCH AND DEVELOPMENT ARRANGEMENTS A portion of the Company's research and development operations are located in Israel, where certain of the Company's subsidiaries derive benefits from participation in programs sponsored by the Government of Israel for the support of research and development activities in Israel. Certain of the Company's research and development activities include projects partially funded by the Office of the Chief Scientist of the Ministry of Industry and Trade of the State of Israel (the "OCS") under which the funding organization reimburses a portion of the Company's research and development expenditures under approved project budgets. Although the Government of Israel does not own proprietary rights in the OCS-funded Products and there is no specific restriction by the OCS with regard to the export of the OCS-funded Products, under certain circumstances, there may be limitations on the ability to transfer technology, know-how and manufacture OCS-funded Products outside of Israel. Such limitations could result in the requirement to pay increased royalties or a redemption fee calculated according the applicable regulations. The Company's gross research and development expenses for the fiscal years ended January 31, 2011, 2010 and 2009 were $260.1 million, $273.4 million and $335.8 million, respectively. Amounts reimbursable by the OCS and others for the fiscal years ended January 31, 2011, 2010 and 2009, were $7.0 million, $6.2 million and $6.6 million, respectively, which were recorded as a reduction to gross research and development expenses within "Research and development, net."

Description, amount and terms involving research, development, and computer software activities, including contracts and arrangements to be performed for others and with federal government. Includes costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility and in-process research and development acquired in a business combination consummated during the period.

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