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Schedule II - Valuation and Qualifying Accounts - Valuation and qualifying accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 28, 2021 | Feb. 29, 2020 | Feb. 28, 2019
Allowance for credit losses |  |  |
Valuation and Qualifying Accounts |  |  |
Beginning Balance | $ 1,461 | $ 2,032 | $ 2,912
Additions | 2,093 | 529 | 1,097
Deductions | 2,556 | 1,100 | 1,977
Ending Balance | 998 | 1,461 | 2,032
Deferred tax asset valuation allowance |  |  |
Valuation and Qualifying Accounts |  |  |
Beginning Balance | 14,073 | 17,086 | 17,747
Additions | 948 | 0 | 0
Deductions | 0 | 3,013 | 661
Ending Balance | $ 15,021 | $ 14,073 | $ 17,086

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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