Cancellation Reserves (Schedule Of Cancellation Reserves Accrual) (Details) (Cancellation Reserves [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 28, 2014	Feb. 28, 2013
Cancellation Reserves [Member]
Balance as of beginning of year	$ 32.7	$ 28.5
Cancellations	(36.9)	(27.5)
Provision for future cancellations	76.7	31.7
Balance as of end of year	$ 72.5	$ 32.7

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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