Financing Arrangements - Additional Information (Details) - Revolving Credit Facility - Credit Agreement - USD ($)			12 Months Ended
	Aug. 01, 2021	Jan. 08, 2021	Jan. 31, 2022	Jan. 31, 2021
Line Of Credit Facility [Line Items]
Credit agreement initiation date		Jan. 08, 2021
Maximum borrowing capacity		$ 45,000,000.0
Borrowing capacity description				On January 8, 2021, the Company, as borrower, entered into a three year credit and security agreement (“Credit Agreement”) with KeyBank National Association as Administrative Agent (“Agent”) and lender, and KeyBanc Capital Markets Inc. as sole lead arranger and sole book runner. The Credit Agreement provides for a secured revolving credit facility (“Credit Facility”) under which the Company may borrow up to an aggregate amount of $25.0 million, which includes a $10.0 million sub-facility for letters of credit. The Company and its lenders may increase the total commitments under the Credit Facility to up to an aggregate amount of $45.0 million, subject to certain conditions. Funds borrowed under the Credit Agreement may be used for working capital and other general corporate purposes.
Credit agreement, Interest rate description			Loans under the Credit Agreement will bear interest, at the Company’s option, at either a rate equal to the “Base Rate” (as defined in the Credit Agreement) or (b) “Eurodollar Rate” (as defined in the Credit Agreement) plus 2.50%.  The Base Rate is the highest of (i) the Agent’s prime rate, (ii) the federal funds effective rate plus 0.5%, and (iii) the Eurodollar Rate with an interest period of one month plus 1%. The Eurodollar Rate is the London Interbank Offered Rate with various interest periods as may be selected by the Company but shall not be less than 0.75%.  Upon the occurrence of any event of default, the interest rate on any borrowings increases by 2.0%. The Credit Agreement also contains customary provisions for the replacement of the London Interbank Offered Rate/Eurodollar Rate.  The Company is required to pay a commitment fee on the unused portion of the Credit Facility of 0.25% per annum.
Line of Credit Facility, Commitment Fee Percentage	0.25%
Borrowing remaining capacity			$ 25,000,000.0
Borrowing capacity, Outstanding amount			$ 0
Maximum
Line Of Credit Facility [Line Items]
Borrowing capacity		25,000,000.0
Maximum | Eurodollar Rate
Line Of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Minimum | Eurodollar Rate
Line Of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.75%
Letters of Credit
Line Of Credit Facility [Line Items]
Borrowing capacity		$ 10,000,000.0