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Net Earnings Per Share (Tables) | 6 Months Ended
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Aug. 31, 2017
Earnings Per Share [Abstract] |
Basic And Dilutive Net Earnings Per Share Reconciliations | Basic and Dilutive Net Earnings Per Share Reconciliations
| Three Months Ended | Six Months Ended
| August 31 | August 31
(In thousands except per share data) | 2017 |  | 2016 | 2017 |  | 2016
Net earnings | $ | 181,424 |  |  | $ | 162,362 |  | $ | 393,126 |  |  | $ | 337,722 |
Weighted average common shares outstanding | 182,868 |  |  | 191,539 |  | 184,034 |  |  | 192,534 |
Dilutive potential common shares: |  |  |  |  |  |
Stock options | 1,465 |  |  | 1,599 |  | 1,337 |  |  | 1,423 |
Stock-settled stock units and awards | 363 |  |  | 485 |  | 407 |  |  | 480 |
Weighted average common shares and dilutive potential common shares | 184,696 |  |  | 193,623 |  | 185,778 |  |  | 194,437 |
Basic net earnings per share | $ | 0.99 |  |  | $ | 0.85 |  | $ | 2.14 |  |  | $ | 1.75 |
Diluted net earnings per share | $ | 0.98 |  |  | $ | 0.84 |  | $ | 2.12 |  |  | $ | 1.74 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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