Accounting Policies (Impacts Of The Revisions Of Statements Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Aug. 31, 2012	Aug. 31, 2011
Net cash used in operating activities	$ (285,932)	$ (75,924)	[1]
Net cash provided by financing activities	404,348	290,853	[1]
Increase in cash and cash equivalents	15,909	140,792	[1]
Scenario, Previously Reported [Member]
Net cash used in operating activities		(81,641)
Net cash provided by financing activities		296,570
Increase in cash and cash equivalents		140,792
Adjustments [Member]
Net cash used in operating activities		5,717
Net cash provided by financing activities		(5,717)
Increase in cash and cash equivalents		$ 0

[1] As discussed in Note 2, fiscal 2012 reflects the revisions to correct our accounting for sale-leaseback transactions.