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SCHEDULE II - Valuation and qualifying accounts (Details) - Allowances for doubtful accounts - USD ($) $ in Thousands | 12 Months Ended
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Feb. 28, 2019 | Feb. 28, 2018 | Feb. 28, 2017
Valuation and Qualifying Accounts |  |  |
Beginning Balance | $ 2,912 | $ 3,266 | $ 1,712
Additions | 1,097 | 1,066 | 2,277
Deductions | 1,977 | 1,420 | 723
Ending Balance | $ 2,032 | $ 2,912 | $ 3,266

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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) -URI http://asc.fasb.org/extlink&oid=26873400&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) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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