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Stock And Stock-Based Incentive Plans (Schedule Of Common Stock Repurchases) (Details) - Share Repurchase Program - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
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Nov. 30, 2016 | Nov. 30, 2015 | Nov. 30, 2016 | Nov. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Treasury Stock Acquired, Average Cost Per Share | $ 52.56 | $ 58.03 | $ 52.38 | $ 61.14
Treasury Stock, Shares, Acquired | 3,780,500 | 7,680,800 | 8,715,200 | 13,336,100
Available for repurchase, as of end of period | $ 1,691.5 | $ 1,553.8 | $ 1,691.5 | $ 1,553.8

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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