Debt - (Tables)

9 Months Ended

Oct. 31, 2021

Debt Disclosure [Abstract]

Convertible Debt

The Notes consisted of the following (in thousands):

	At the End of
	Fiscal 2021		Third Quarter of Fiscal 2022
Liability:
Principal	$	575,000	$	575,000
Less: debt discount, net of amortization	(64,515)		(43,486)
Less: debt issuance costs, net of amortization	(4,671)		(3,148)
Net carrying amount of the Notes	$	505,814	$	528,366
Stockholders' equity recorded at issuance:
Allocated value of the conversion feature			$	136,333
Less: debt issuance costs			(3,068)
Additional paid-in capital			$	133,265

Interest Expense

The following table sets forth total interest expense recognized related to the Notes for the third quarter and first three quarters of fiscal 2021 and 2022 (in thousands):

	Third Quarter of Fiscal						First Three Quarters of Fiscal
	2021			2022			2021			2022
Amortization of debt discount	$	6,799		$	7,184		$	19,970		$	21,029
Amortization of debt issuance costs	491			520			1,445			1,523
Total amortization of debt discount and debt issuance costs	7,290			7,704			21,415			22,552
Contractual interest expense	181			181			539			537
Total interest expense related to the Notes	$	7,471		$	7,885		$	21,954		$	23,089
Effective interest rate of the liability component	5.6		%	5.6		%	5.6		%	5.6		%