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

July 31,January 31,
(in thousands)20222022
2021 Notes$315,000 $315,000 
Term Loan100,000 100,000 
Less: unamortized debt discounts and issuance costs(7,184)(8,046)
Total debt407,816 406,954 
Less: current maturities— — 
Long-term debt$407,816 $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 and six months ended July 31, 2022 and 2021:
 Three Months Ended
July 31,		Six Months Ended
July 31,
(in thousands)2022202120222021
2021 Notes:
Interest expense at 0.25% coupon rate
$197 $197 $392 $245 
Amortization of deferred debt issuance costs440 437 879 542 
Total Interest Expense - 2021 Notes$637 $634 $1,271 $787 
2014 Notes:
Interest expense at 1.50% coupon rate
$— $482 $— $1,933 
Amortization of deferred debt issuance costs— 131 — 522 
Total Interest Expense - 2014 Notes$— $613 $— $2,455 
Borrowings under Credit Agreement:
Interest expense at contractual rates$813 $537 $1,373 $2,297 
Impact of interest rate swap reclassified from accumulated other comprehensive loss— — — 1,014 
Amortization of debt discounts4 5 9 8 
Amortization of deferred debt issuance costs217 223 428 495 
Total Interest Expense - Borrowings under Credit Agreement$1,034 $765 $1,810 $3,814