Financial Instruments and Risk Management - Derivative tax effect (Details) - USD ($) $ in Thousands	3 Months Ended
May 31, 2020	May 31, 2019
Pre-tax effect of derivative instruments
Gain (Loss) Recognized in OCI (effective portion)	$ (3,333)	$ (5,386)
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income	(765)	(1,218)
Gain (Loss) Recognized As Income	(801)	692
Foreign currency contracts \| SG&A
Pre-tax effect of derivative instruments
Gain (Loss) Recognized As Income	0	0
Foreign currency contracts \| Cash flow hedges
Pre-tax effect of derivative instruments
Gain (Loss) Recognized in OCI (effective portion)	74	(186)
Foreign currency contracts \| Cash flow hedges \| SG&A
Pre-tax effect of derivative instruments
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income	(765)	(1,218)
Interest rate swaps \| Interest expense
Pre-tax effect of derivative instruments
Gain (Loss) Recognized As Income	(726)	154
Interest rate swaps \| Cash flow hedges
Pre-tax effect of derivative instruments
Gain (Loss) Recognized in OCI (effective portion)	(3,407)	(5,200)
Interest rate swaps \| Cash flow hedges \| Interest expense
Pre-tax effect of derivative instruments
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income	0	0
Cross currency debt swaps
Pre-tax effect of derivative instruments
Gain (Loss) Recognized in OCI (effective portion)	0	0
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income	0	0
Cross currency debt swaps \| SG&A
Pre-tax effect of derivative instruments
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income	0	0
Gain (Loss) Recognized As Income	(149)	464
Cross currency debt swaps \| Interest expense
Pre-tax effect of derivative instruments
Gain (Loss) Recognized As Income	$ 74	$ 74

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Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

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