Goodwill and Intangible Assets - Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Nov. 30, 2019	Feb. 28, 2019
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	9 years 4 months 24 days	10 years
Gross Carrying Amount	$ 101,030	$ 97,759
Accumulated Amortization	42,285	36,487
Amortized intangible assets, Net	$ 58,745	$ 61,272
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	12 years 9 months 18 days	13 years 9 months 18 days
Gross Carrying Amount	$ 26,281	$ 24,385
Accumulated Amortization	5,300	3,906
Amortized intangible assets, Net	$ 20,981	$ 20,479
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	7 years 7 months 6 days	8 years 2 months 12 days
Gross Carrying Amount	$ 73,199	$ 71,869
Accumulated Amortization	35,750	31,498
Amortized intangible assets, Net	$ 37,449	$ 40,371
Non-Compete [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	2 years	2 years 6 months
Gross Carrying Amount	$ 767	$ 722
Accumulated Amortization	452	300
Amortized intangible assets, Net	315	422
Patent [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	783	783
Accumulated Amortization	$ 783	$ 783