Goodwill and Intangible Assets - Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	May 31, 2021	Feb. 28, 2021
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	8 years 6 months	8 years 8 months 12 days
Gross Carrying Amount	$ 105,098	$ 105,083
Accumulated Amortization	54,462	52,371
Amortized intangible assets, Net	$ 50,636	$ 52,712
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	11 years 8 months 12 days	11 years 10 months 24 days
Gross Carrying Amount	$ 27,561	$ 27,561
Accumulated Amortization	8,740	8,194
Amortized intangible assets, Net	$ 18,821	$ 19,367
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	6 years 7 months 6 days	6 years 9 months 18 days
Gross Carrying Amount	$ 75,877	$ 75,862
Accumulated Amortization	44,226	42,727
Amortized intangible assets, Net	$ 31,651	$ 33,135
Non-Compete [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	3 years 3 months 18 days	3 years 1 month 6 days
Gross Carrying Amount	$ 877	$ 877
Accumulated Amortization	713	667
Amortized intangible assets, Net	164	210
Patent [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	783	783
Accumulated Amortization	$ 783	$ 783