Income Taxes (Schedule Of Reconciliation Of Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Income Taxes [Abstract]
Balance at beginning of year	$ 25,059	$ 20,930	$ 18,662
Increases for tax positions of prior years	1,523	1,685	5,403
Decreases for tax positions of prior years	(4,658)	(596)	(6,918)
Increases based on tax positions related to the current year	5,960	7,491	4,754
Settlements	(809)	(4,136)	(334)
Lapse of statute	(745)	(315)	(637)
Balance at end of year	$ 26,330	$ 25,059	$ 20,930