Long-Term Debt - Additional Information (Detail)	6 Months Ended
	Aug. 31, 2020 USD ($)
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Long-term debt	$ 0
Second Amendment [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility maturity date	Nov. 11, 2021
Revolving credit facility, maximum borrowing capacity	$ 100,000,000.0
Revolving credit facility, additional borrowing capacity	$ 50,000,000.0
Fixed charge coverage ratio, minimum	1.25
Line of credit facility, borrowing capacity description	(i) the Company’s consolidated net leverage ratio may not exceed 3.00:1.00, (ii) the Company’s fixed charge coverage ratio may not be less than 1.25:1.00, and (iii) the Company may make dividends or distributions to shareholders so long as (A) no event of default has occurred and is continuing and (B) the Company’s net leverage ratio both before and after giving effect to any such dividend or distribution is equal to or less than 2.50:1.00.
Revolving credit facility, interest rate description	LIBOR plus a spread ranging from 1.85% to 2.5%
Second Amendment [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Net leverage ratio	3.00
Revolving credit facility, variable basis spread	2.50%
Second Amendment [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Revolving credit facility, variable basis spread	1.85%
Second Amendment [Member] | Revolving Credit Facility [Member] | Dividends or Distributions Effect [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Net leverage ratio	2.50
Second Amendment [Member] | Letter of Credit [Member]
Line of Credit Facility [Line Items]
Long-term debt	$ 20,000,000.0
Second Amendment [Member] | Swing-line Loans [Member]
Line of Credit Facility [Line Items]
Long-term debt	15,000,000.0
Third Amendment [Member] | Standby Letters of Credit [Member]
Line of Credit Facility [Line Items]
Long-term debt	700,000
Revolving credit facility, remaining borrowing capacity	$ 99,300,000