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Goodwill and Other Intangible Assets - Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 28, 2017 | Feb. 29, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 8 years 9 months 18 days | 8 years 8 months 12 days
Gross Carrying Amount | $ 61,947 | $ 55,611
Accumulated Amortization | 23,311 | 18,638
Amortized intangible assets, Net | $ 38,636 | $ 36,973
Trademarks and Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 8 years | 0 years
Gross Carrying Amount | $ 3,642 | $ 1,234
Accumulated Amortization | 1,234 | $ 1,234
Amortized intangible assets, Net | $ 2,408 |
Customer Lists [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 8 years 10 months 24 days | 8 years 8 months 12 days
Gross Carrying Amount | $ 57,347 | $ 53,519
Accumulated Amortization | 21,336 | 16,852
Amortized intangible assets, Net | $ 36,011 | $ 36,667
Noncompete [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 9 months 18 days | 1 year 9 months 18 days
Gross Carrying Amount | $ 175 | $ 75
Accumulated Amortization | 86 | 29
Amortized intangible assets, Net | $ 89 | $ 46
Patent [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life (in years) | 1 year | 2 years
Gross Carrying Amount | $ 783 | $ 783
Accumulated Amortization | 655 | 523
Amortized intangible assets, Net | $ 128 | $ 260

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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- 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/presentationRef -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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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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