Stock And Stock-Based Incentive Plans (Outstanding Stock Options) (Details) - $ / shares
shares in Thousands |
3 Months Ended |
|
May. 31, 2015 |
Feb. 28, 2015 |
| $11.43 To $14.49 [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Range of Exercise Prices, lower range |
$ 11.43
|
|
| Range of Exercise Prices, upper range |
$ 14.49
|
|
| Options Outstanding, Number of Shares |
279
|
|
| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
9 months 18 days
|
|
| Options Outstanding, Weighted Average Exercise Price |
$ 11.99
|
|
| Options Exercisable, Number of Shares |
279
|
|
| Options Exercisable, Weighted Average Exercise Price |
$ 11.99
|
|
| $19.98 To $31.76 [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Range of Exercise Prices, lower range |
19.98
|
|
| Range of Exercise Prices, upper range |
$ 31.76
|
|
| Options Outstanding, Number of Shares |
2,102
|
|
| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
3 years 6 months
|
|
| Options Outstanding, Weighted Average Exercise Price |
$ 30.23
|
|
| Options Exercisable, Number of Shares |
1,663
|
|
| Options Exercisable, Weighted Average Exercise Price |
$ 29.85
|
|
| $32.69 To $42.68 [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Range of Exercise Prices, lower range |
32.69
|
|
| Range of Exercise Prices, upper range |
$ 42.68
|
|
| Options Outstanding, Number of Shares |
2,135
|
|
| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
4 years 2 months 12 days
|
|
| Options Outstanding, Weighted Average Exercise Price |
$ 39.19
|
|
| Options Exercisable, Number of Shares |
1,460
|
|
| Options Exercisable, Weighted Average Exercise Price |
$ 37.58
|
|
| $44.96 To $49.25 [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Range of Exercise Prices, lower range |
44.96
|
|
| Range of Exercise Prices, upper range |
$ 49.25
|
|
| Options Outstanding, Number of Shares |
1,928
|
|
| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
5 years 10 months 24 days
|
|
| Options Outstanding, Weighted Average Exercise Price |
$ 45.06
|
|
| Options Exercisable, Number of Shares |
523
|
|
| Options Exercisable, Weighted Average Exercise Price |
$ 45.06
|
|
| $67.82 To $73.76 [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Range of Exercise Prices, lower range |
67.82
|
|
| Range of Exercise Prices, upper range |
$ 73.76
|
|
| Options Outstanding, Number of Shares |
1,380
|
|
| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
6 years 9 months 18 days
|
|
| Options Outstanding, Weighted Average Exercise Price |
$ 73.73
|
|
| Options Exercisable, Number of Shares |
0
|
|
| Options Exercisable, Weighted Average Exercise Price |
$ 0.00
|
|
| Stock Option [Member] |
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
| Options Outstanding, Number of Shares |
7,824
|
|
| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
4 years 9 months 18 days
|
|
| Options Outstanding, Weighted Average Exercise Price |
$ 43.35
|
$ 35.59
|
| Options Exercisable, Number of Shares |
3,925
|
|
| Options Exercisable, Weighted Average Exercise Price |
$ 33.48
|
|