v2.4.0.6

Derivative Instruments And Hedging Activities (Schedule Of Fair Values Of Derivative Instruments On The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Feb. 28, 2011	Nov. 30, 2010	Feb. 28, 2010
Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total	$ 61	$ 1,012	$ 329	$ 0
Designated As Hedging Instrument [Member] | Interest Rate Swaps [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	530	2,105	0	0
Designated As Hedging Instrument [Member] | Interest Rate Swaps [Member] | Accounts Payable [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	0	0	603	0
Liability derivatives	(469)	(1,093)	(274)	0
Not Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total	(172)	(1,607)	(2,328)	(5,875)
Not Designated As Hedging Instrument [Member] | Interest Rate Swaps [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	526	1,136	1,267	1,279
Not Designated As Hedging Instrument [Member] | Interest Rate Swaps [Member] | Accounts Payable [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives	(699)	(2,742)	(3,595)	(7,171)
Not Designated As Hedging Instrument [Member] | Interest Rate Caps [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	304	778	700	1,999
Liability derivatives	$ (303)	$ (779)	$ (700)	$ (1,982)

X

- Definition

Fair value as of the balance sheet date of the assets less the liabilities of a derivative or group of derivatives.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13495-108611



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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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-Section 45

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-Section 50

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X

- Definition

Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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X

- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

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-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959

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X

- Definition

Fair value of all derivative assets designated as fair value hedging instruments.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Name Accounting Standards Codification

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