Goodwill and Intangible Assets - Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Aug. 31, 2021	Feb. 28, 2021
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	8 years 3 months 18 days	8 years 8 months 12 days
Gross Carrying Amount	$ 106,191	$ 105,083
Accumulated Amortization	56,535	52,371
Amortized intangible assets, Net	$ 49,656	$ 52,712
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	11 years 4 months 24 days	11 years 10 months 24 days
Gross Carrying Amount	$ 28,107	$ 27,561
Accumulated Amortization	9,313	8,194
Amortized intangible assets, Net	$ 18,794	$ 19,367
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	6 years 4 months 24 days	6 years 9 months 18 days
Gross Carrying Amount	$ 76,424	$ 75,862
Accumulated Amortization	45,695	42,726
Amortized intangible assets, Net	$ 30,729	$ 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	744	668
Amortized intangible assets, Net	133	209
Patent [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	783	783
Accumulated Amortization	$ 783	$ 783