Leases - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 43,286	$ 37,801
Operating lease liabilities ― ST	$ 7,140	$ 6,552
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Lease liability, short-term	Lease liability, short-term
Operating lease liabilities ― LT	$ 34,965	$ 32,405
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Lease liability, long-term	Lease liability, long-term
Finance lease liabilities ― ST	$ 178	$ 66
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Lease liability, short-term	Lease liability, short-term
Finance lease liabilities ― LT	$ 645	$ 226
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Lease liability, long-term	Lease liability, long-term
Operating lease, cost	$ 15,029	$ 15,018	$ 18,444
Cost of sales
Lessee, Lease, Description [Line Items]
Operating lease, cost	11,070	10,533	13,521
Selling, general and administrative
Lessee, Lease, Description [Line Items]
Operating lease, cost	$ 3,959	$ 4,485	$ 4,923