LONG-TERM DEBT (Tables)
 3 Months Ended
Apr. 30, 2022
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt
The following table summarizes our long-term debt at April 30, 2022 and January 31, 2022:

April 30,January 31,
(in thousands)20222022
2021 Notes$315,000 $315,000 
Term Loan100,000 100,000 
Less: unamortized debt discounts and issuance costs(7,598)(8,046)
Total debt407,402 406,954 
Less: current maturities— — 
Long-term debt$407,402 $406,954 
Schedule of Components of Interest Expense The following table presents the components of interest expense incurred on the 2021 Notes, the 2014 Notes, and on borrowings under our Credit Agreement, for the three months ended April 30, 2022 and 2021:
 Three Months Ended
April 30,
(in thousands)20222021
2021 Notes:
Interest expense at 0.25% coupon rate
$195 $48 
Amortization of deferred debt issuance costs439 105 
Total Interest Expense - 2021 Notes$634 $153 
2014 Notes:
Interest expense at 1.50% coupon rate
$— $1,451 
Amortization of deferred debt issuance costs— 391 
Total Interest Expense - 2014 Notes$— $1,842 
Borrowings under Credit Agreement:
Interest expense at contractual rates$560 $1,760 
Impact of interest rate swap reclassified from accumulated other comprehensive loss— 1,014 
Amortization of debt discounts5 3 
Amortization of deferred debt issuance costs211 272 
Total Interest Expense - Borrowings under Credit Agreement$776 $3,049