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Stock And Stock-Based Incentive Plans (Composition Of Share-Based Compensation Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 28, 2021 | Feb. 29, 2020 | Feb. 28, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Share-based compensation expense, before income taxes | $ 124,211 | $ 110,757 | $ 76,684
TOTAL COST OF SALES |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Share-based compensation expense, before income taxes | 6,805 | 6,382 | 2,952
CAF Income |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Share-based compensation expense, before income taxes | 5,657 | 4,940 | 3,804
Selling, general and administrative expenses |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |
Share-based compensation expense, before income taxes | $ 111,749 | $ 99,435 | $ 69,928

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