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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | Feb. 28, 2021 | Feb. 29, 2020 | Feb. 28, 2019 | Feb. 28, 2018
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Income Tax Disclosure [Abstract] |  |  |  |
Unrecognized tax benefits, gross | $ 28,997 | $ 30,865 | $ 30,270 | $ 28,685
Unrecognized tax benefits that would impact effective tax rate, if recognized | 7,600 | 9,200 | 10,700 |
Accrued interest | $ 4,700 | $ 4,000 | $ 3,200 |

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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