|
Stock And Stock-Based Incentive Plans (Composition Of Share-Based Compensation Expense - By Grant Type) (Details) (USD $) In Thousands, unless otherwise specified
|
3 Months Ended |
|
May 31, 2014
|
May 31, 2013
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Share-based compensation expense, before income taxes |
$ 15,719 |
$ 23,229 |
|
Stock Options [Member]
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Share-based compensation expense, before income taxes |
8,120 |
7,033 |
|
Cash-Settled Restricted Stock Units [Member]
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Share-based compensation expense, before income taxes |
3,147 |
12,088 |
|
Stock-Settled Restricted Stock Units [Member]
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Share-based compensation expense, before income taxes |
4,121 |
3,820 |
|
Employee Stock Purchase Plan [Member]
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Share-based compensation expense, before income taxes |
331 |
288 |
|
Stock Grants To Non-Employee Directors [Member]
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Share-based compensation expense, before income taxes |
$ 0 |
$ 0 |