Long-Term Debt (Tables)

9 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Long-term debt consisted of the following (in thousands):

	June 30, 2021			September 30, 2020
3.00% Convertible Senior Notes due 2025, net of unamortized discount of $15,929 and deferred issuance costs of $4,005 at June 30, 2021. Effective interest rate 6.29%.	$	155,066		$	151,791
Senior Credit Facilities, net of unamortized discount of $1,958 and deferred issuance costs of $236 at June 30, 2021. Effective interest rate 2.91%.		116,556			121,331
Total debt	$	271,622		$	273,122
Less: current portion		(6,250	)		(6,250	)
Total long-term debt	$	265,372		$	266,872

Summary of Maturities of Borrowing Obligations

The following table summarizes the maturities of our borrowing obligations as of June 30, 2021 (in thousands):

Fiscal Year	Convertible Senior Notes			Senior Facilities			Total
2021	$	—		$	1,562		$	1,562
2022		—			6,250			6,250
2023		—			10,938			10,938
2024		—			12,500			12,500
2025		175,000			87,500			262,500
Thereafter		—			—			—
Total before unamortized discount and issuance costs and current portion	$	175,000		$	118,750		$	293,750
Less: unamortized discount and issuance costs		(19,934	)		(2,194	)		(22,128	)
Less: current portion of long-term debt		—			(6,250	)		(6,250	)
Total long-term debt	$	155,066		$	110,306		$	265,372

Schedule of Interest Expense Related to Notes

The interest expense recognized related to the Notes for the three and nine months ended June 30, 2021 was as follows (dollars in thousands):

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Contractual interest expense	$	1,308	$	431	$	3,924	$	431
Amortization of debt discount		886		276		2,617		276
Amortization of issuance costs		223		70		658		70
Total interest expense related to the Notes	$	2,417	$	777	$	7,199	$	777