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Goodwill and Intangible Assets - Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 28, 2019 | Feb. 28, 2018
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 10 years | 10 years 9 months 18 days
Gross Carrying Amount | $ 97,759 | $ 78,623
Accumulated Amortization | 36,487 | 29,369
Amortized intangible assets, Net | $ 61,272 | $ 49,254
Trademarks and Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 13 years 9 months 18 days | 16 years
Gross Carrying Amount | $ 24,385 | $ 19,625
Accumulated Amortization | 3,906 | 2,408
Amortized intangible assets, Net | $ 20,479 | $ 17,217
Customer Lists [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 8 years 2 months 12 days | 8 years 1 month 6 days
Gross Carrying Amount | $ 71,869 | $ 58,040
Accumulated Amortization | 31,498 | 26,039
Amortized intangible assets, Net | $ 40,371 | $ 32,001
Non-Compete [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 2 years 6 months | 1 year 1 month 6 days
Gross Carrying Amount | $ 722 | $ 175
Accumulated Amortization | 300 | 140
Amortized intangible assets, Net | 422 | $ 35
Patent [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) |  | 4 months 24 days
Gross Carrying Amount | 783 | $ 783
Accumulated Amortization | $ 783 | 782
Amortized intangible assets, Net |  | $ 1

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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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