Goodwill and Intangible Assets - Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Nov. 30, 2021	Feb. 28, 2021
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	8 years 2 months 12 days	8 years 8 months 12 days
Gross Carrying Amount	$ 106,325	$ 105,083
Accumulated Amortization	58,508	52,371
Amortized intangible assets, Net	$ 47,817	$ 52,712
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	11 years 3 months 18 days	11 years 10 months 24 days
Gross Carrying Amount	$ 28,207	$ 27,561
Accumulated Amortization	9,805	8,194
Amortized intangible assets, Net	$ 18,402	$ 19,367
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	6 years 3 months 18 days	6 years 9 months 18 days
Gross Carrying Amount	$ 76,458	$ 75,862
Accumulated Amortization	47,163	42,726
Amortized intangible assets, Net	$ 29,295	$ 33,136
Non-Compete [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	3 years 6 months	3 years 1 month 6 days
Gross Carrying Amount	$ 877	$ 877
Accumulated Amortization	757	668
Amortized intangible assets, Net	120	209
Patent [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	783	783
Accumulated Amortization	$ 783	$ 783