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Stock And Stock-Based Incentive Plans (Outstanding Stock Options) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
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3 Months Ended |
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May 31, 2014
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Feb. 28, 2014
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$11.43 [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, lower range |
$ 11.43 |
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| Options Outstanding, Number of Shares |
1,468 |
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| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
1 year 9 months 18 days |
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| Options Outstanding, Weighted Average Exercise Price |
$ 11.43 |
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| Options Exercisable, Number of Shares |
1,468 |
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| Options Exercisable, Weighted Average Exercise Price |
$ 11.43 |
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$13.19 To $19.82 [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, lower range |
$ 13.19 |
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| Range of Exercise Prices, upper range |
$ 19.82 |
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| Options Outstanding, Number of Shares |
1,341 |
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| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
0 years 9 months 18 days |
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| Options Outstanding, Weighted Average Exercise Price |
$ 15.89 |
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| Options Exercisable, Number of Shares |
1,341 |
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| Options Exercisable, Weighted Average Exercise Price |
$ 15.89 |
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$19.98 To $25.39 [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, lower range |
$ 19.98 |
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| Range of Exercise Prices, upper range |
$ 25.39 |
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| Options Outstanding, Number of Shares |
1,498 |
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| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
2 years 10 months 24 days |
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| Options Outstanding, Weighted Average Exercise Price |
$ 25.20 |
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| Options Exercisable, Number of Shares |
1,498 |
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| Options Exercisable, Weighted Average Exercise Price |
$ 25.20 |
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$25.67 To $32.69 [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, lower range |
$ 25.67 |
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| Range of Exercise Prices, upper range |
$ 32.69 |
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| Options Outstanding, Number of Shares |
3,717 |
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| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
4 years 3 months 18 days |
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| Options Outstanding, Weighted Average Exercise Price |
$ 32.13 |
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| Options Exercisable, Number of Shares |
2,379 |
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| Options Exercisable, Weighted Average Exercise Price |
$ 32.22 |
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$33.11 To $49.25 [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Range of Exercise Prices, lower range |
$ 33.11 |
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| Range of Exercise Prices, upper range |
$ 49.25 |
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| Options Outstanding, Number of Shares |
3,611 |
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| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
6 years 4 months 24 days |
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| Options Outstanding, Weighted Average Exercise Price |
$ 43.88 |
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| Options Exercisable, Number of Shares |
443 |
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| Options Exercisable, Weighted Average Exercise Price |
$ 42.09 |
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Stock Option [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Options Outstanding, Number of Shares |
11,635 |
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| Options Outstanding, Weighted Average Remaining Contractual Life (Years) |
4 years 1 month 6 days |
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| Options Outstanding, Weighted Average Exercise Price |
$ 30.40 |
$ 27.02 |
| Options Exercisable, Number of Shares |
7,129 |
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| Options Exercisable, Weighted Average Exercise Price |
$ 24.01 |
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