LONG-TERM DEBT (Tables)

12 Months Ended

Jan. 31, 2019

Long-term Debt, Unclassified [Abstract]

Summary of long-term debt

The following table summarizes our long-term debt at January 31, 2019 and 2018: 

	January 31,
(in thousands)	2019			2018
1.50% Convertible Senior Notes	$	400,000		$	400,000
June 2017 Term Loan	418,625			422,875
Other debt	92			250
Less: Unamortized debt discounts and issuance costs	(36,589		)	(50,141		)
Total debt	782,128			772,984
Less: current maturities	4,343			4,500
Long-term debt	$	777,785		$	768,484

Summary of future scheduled principal payments on term loans

As of January 31, 2019, future scheduled principal payments on the 2017 Term Loan were as follows:

(in thousands)
Years Ending January 31,	Amount
2020	$	4,250
2021	4,250
2022	4,250
2023	4,250
2024	4,250
2025 and thereafter	397,375
Total	$	418,625

Schedule of components of interest expense

The following table presents the components of interest expense incurred on the Notes and on borrowings under our credit agreements for the years ended January 31, 2019, 2018, and 2017:

	Year Ended January 31,
(in thousands)	2019		2018		2017
1.50% Convertible Senior Notes:
Interest expense at 1.50% coupon rate	$	6,000	$	6,000	$	6,000
Amortization of debt discount	11,850		11,244		10,669
Amortization of deferred debt issuance costs	1,118		1,060		1,007
Total Interest Expense - 1.50% Convertible Senior Notes	$	18,968	$	18,304	$	17,676
Borrowings under Credit Agreements:
Interest expense at contractual rates	$	17,741	$	15,412	$	14,682
Impact of interest rate swap agreement	—		254		259
Amortization of debt discounts	67		65		58
Amortization of deferred debt issuance costs	1,554		1,839		2,211
Total Interest Expense - Borrowings under Credit Agreements	$	19,362	$	17,570	$	17,210