Stock And Stock-Based Incentive Plans (Outstanding Stock Options) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Nov. 30, 2013	Feb. 28, 2013
$11.43 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 11.43
Options Outstanding, Number of Shares	1,627
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	2 years 4 months 2 days
Options Outstanding, Weighted Average Exercise Price	$ 11.43
Options Exercisable, Number of Shares	1,627
Options Exercisable, Weighted Average Exercise Price	$ 11.43
$13.19 To $19.82 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 13.19
Range of Exercise Prices, upper range	$ 19.82
Options Outstanding, Number of Shares	2,268
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	1 year 3 months 18 days
Options Outstanding, Weighted Average Exercise Price	$ 16.35
Options Exercisable, Number of Shares	2,268
Options Exercisable, Weighted Average Exercise Price	$ 16.35
$19.98 To $25.39 [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	$ 25.39
Options Outstanding, Number of Shares	1,677
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	3 years 2 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 25.19
Options Exercisable, Number of Shares	1,318
Options Exercisable, Weighted Average Exercise Price	$ 25.13
$25.67 To $32.05 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 25.67
Range of Exercise Prices, upper range	$ 32.05
Options Outstanding, Number of Shares	2,147
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	5 years 2 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 31.60
Options Exercisable, Number of Shares	657
Options Exercisable, Weighted Average Exercise Price	$ 31.39
$32.69 To $49.25 [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	$ 49.25
Options Outstanding, Number of Shares	3,310
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	5 years 3 months 18 days
Options Outstanding, Weighted Average Exercise Price	$ 37.50
Options Exercisable, Number of Shares	984
Options Exercisable, Weighted Average Exercise Price	$ 32.82
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares	11,029
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	3 years 8 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 26.29	$ 23.00
Options Exercisable, Number of Shares	6,854
Options Exercisable, Weighted Average Exercise Price	$ 20.68