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Financial Instruments and Risk Management (Details 4) (Cash flow hedges, USD $) | 3 Months Ended | 6 Months Ended
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Aug. 31, 2012 | Aug. 31, 2011 | Aug. 31, 2012 | Aug. 31, 2011
Pre-tax effect of derivative instruments |  |  |  |
Gain/ (Loss) Recognized in OCI (effective portion) | $ (1,390,000) | $ (347,000) | $ (524,000) | $ (3,276,000)
Gain/ (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income | (969,000) | (1,228,000) | (1,869,000) | (2,898,000)
Gain/ (Loss) Recognized as Income | 14,000 | (115,000) | 49,000 | (178,000)
Foreign currency |  |  |  |
Pre-tax effect of derivative instruments |  |  |  |
Gain/ (Loss) Recognized in OCI (effective portion) | (933,000) | 499,000 | (23,000) | 12,000
Gain/ (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income | 11,000 | (125,000) | 37,000 | (269,000)
Gain/ (Loss) Recognized as Income | 14,000 | (115,000) | 49,000 | (178,000)
Losses recorded in AOCI to be reclassified into income over the next year | 290,000 |  |  |
Interest rate swaps |  |  |  |
Pre-tax effect of derivative instruments |  |  |  |
Gain/ (Loss) Recognized in OCI (effective portion) | (457,000) | (846,000) | (501,000) | (3,288,000)
Gain/ (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income | (980,000) | (1,103,000) | (1,906,000) | (2,629,000)
Losses recorded in AOCI to be reclassified into income over the next year | $ 3,570,000 |  |  |

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624177-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -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. + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 2 -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. + Details
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- Definition The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(1) -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 4C -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959 + Details
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