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Goodwill and Intangible Assets - Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2019 | Feb. 28, 2019
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 9 years 6 months | 10 years
Gross Carrying Amount | $ 101,030 | $ 97,759
Accumulated Amortization | 40,317 | 36,487
Amortized intangible assets, Net | $ 60,713 | $ 61,272
Trademarks and Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 12 years 7 months 6 days | 13 years 9 months 18 days
Gross Carrying Amount | $ 26,281 | $ 24,385
Accumulated Amortization | 4,795 | 3,906
Amortized intangible assets, Net | $ 21,486 | $ 20,479
Customer Lists [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 7 years 9 months 18 days | 8 years 2 months 12 days
Gross Carrying Amount | $ 73,199 | $ 71,869
Accumulated Amortization | 34,336 | 31,498
Amortized intangible assets, Net | $ 38,863 | $ 40,371
Non-Compete [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 2 years 2 months 12 days | 2 years 6 months
Gross Carrying Amount | $ 767 | $ 722
Accumulated Amortization | 403 | 300
Amortized intangible assets, Net | 364 | 422
Patent [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 783 | 783
Accumulated Amortization | $ 783 | $ 783

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