Woodward maintains a $1,000,000 revolving credit facility established under a revolving credit agreement among Woodward, a syndicate of lenders and Wells Fargo Bank, National Association, as administrative agent (the “Revolving Credit Agreement”). The Revolving Credit Agreement provides for the option to increase available borrowings up to $1,500,000, subject to lenders’ participation. Borrowings under the Revolving Credit Agreement can be made by Woodward and certain of its foreign subsidiaries in U.S. dollars or in foreign currencies other than the U.S. dollar and generally bear interest at LIBOR plus 0.875% to 1.75%. The Revolving Credit Agreement matures on June 19, 2024. Under the Revolving Credit Agreement, there were $98,639 in principal amount of borrowings outstanding as of June 30, 2020, at an effective interest rate of 1.28%, and $262,297 in principal amount of borrowings outstanding as of September 30, 2019, at an effective interest rate of 3.01%. As of June 30, 2020, $98,639 of borrowings under the Revolving Credit Agreement were classified as short-term borrowings based on Woodward’s intent and ability to pay this amount in the next twelve months. As of September 30, 2019, $220,000 of the borrowings under the Revolving Credit Agreement were classified as short-term borrowings.

Woodward has other foreign lines of credit and foreign overdraft facilities at various financial institutions, which are generally reviewed annually for renewal and are subject to the usual terms and conditions applied by the financial institutions. Pursuant to the terms of the related facility agreements, Woodward’s foreign performance guarantee facilities are limited in use to providing performance guarantees to third parties. There were no borrowings outstanding on Woodward’s foreign lines of credit and foreign overdraft facilities as of both June 30, 2020 and September 30, 2019.

	June 30,			September 30,
	2020			2019
Long-term portion of revolving credit facility - Floating rate (LIBOR plus 0.875% - 1.75%), due June 19, 2024; unsecured	$	—		$	42,297
Series G notes – 3.42%, due November 15, 2020; unsecured		50,000			50,000
Series H notes – 4.03%, due November 15, 2023; unsecured		25,000			25,000
Series I notes – 4.18%, due November 15, 2025; unsecured		25,000			25,000
Series J notes – Floating rate (LIBOR plus 1.25%), due November 15, 2020; unsecured		50,000			50,000
Series K notes – 4.03%, due November 15, 2023; unsecured		50,000			50,000
Series L notes – 4.18%, due November 15, 2025; unsecured		50,000			50,000
Series M notes – 1.12% due September 23, 2026; unsecured		44,955			43,770
Series N notes – 1.31% due September 23, 2028; unsecured		86,538			84,257
Series O notes – 1.57% due September 23, 2031; unsecured		48,326			47,053
Series P notes – 4.27% due May 30, 2025; unsecured		85,000			85,000
Series Q notes – 4.35% due May 30, 2027; unsecured		85,000			85,000
Series R notes – 4.41% due May 30, 2029; unsecured		75,000			75,000
Series S notes – 4.46% due May 30, 2030; unsecured		75,000			75,000
Series T notes – 4.61% due May 30, 2033; unsecured		80,000			80,000
Finance leases (Note 5)		3,218			—
Unamortized debt issuance costs		(2,229	)		(2,478	)
Total long-term debt		830,808			864,899
Less: Current portion of long-term debt		101,643			—
Long-term debt, less current portion	$	729,165		$	864,899

On October 1, 2013, Woodward entered into a note purchase agreement relating to the sale by Woodward of an aggregate principal amount of $250,000 of its senior unsecured notes in a series of private placement transactions. Woodward issued the Series G, H and I Notes (the “First Closing Notes”) on October 1, 2013. Woodward issued the Series J, K and L Notes (the “Second Closing Notes” and together with the First Closing Notes, collectively the “USD Notes”) on November 15, 2013. The current portion of long-term debt as of June 30, 2020 includes the aggregate principal amount of the Series G and Series J notes, both of which mature on November 15, 2020, and the current portion of finance lease liabilities.

On September 23, 2016, Woodward and the BV Subsidiary each entered into note purchase agreements (the “2016 Note Purchase Agreements”) relating to the sale by Woodward and the BV Subsidiary of an aggregate principal amount of €160,000 of senior unsecured notes in a series of private placement transactions. Woodward issued €40,000 Series M Notes. The BV Subsidiary issued (a) €77,000 aggregate principal amount of the BV Subsidiary’s Series N Senior Notes (the “Series N Notes”) and (b) €43,000 aggregate principal amount of the BV Subsidiary’s Series O Senior Notes (the “Series O Notes” and together with the Series M Notes and the Series N Notes, the “2016 Notes”).

On May 31, 2018, Woodward entered into a note purchase agreement (the “2018 Note Purchase Agreement”) relating to the sale by Woodward of an aggregate principal amount of $400,000 of senior unsecured notes comprised of (a) $85,000 aggregate principal amount of its Series P Senior Notes (the “Series P Notes”), (b) $85,000 aggregate principal amount of its Series Q Senior Notes (the “Series Q Notes”), (c) $75,000 aggregate principal amount of its Series R Senior Notes (the “Series R Notes”), (d) $75,000 aggregate principal amount of its Series S Senior Notes (the “Series S Notes”), and (e) $80,000 aggregate principal amount of its Series T Senior Notes (the “Series T Notes”, and together with the Series P Notes, the Series Q Notes, the Series R Notes, and the Series S Notes, the “2018 Notes,” and, together with the USD Notes and 2016 Notes, the “Notes”), in a series of private placement transactions.

In connection with the issuance of the 2018 Notes, the Company entered into cross-currency swap transactions in respect of each tranche of the 2018 Notes, which effectively reduced the interest rates on the Series P Notes to 1.82% per annum, the Series Q Notes to 2.15% per annum, the Series R Notes to 2.42% per annum, the Series S Notes to 2.55% per annum and the Series T Notes to 2.90% per annum (see Note 8, Derivative instruments and hedging activities).

Interest on the First Closing Notes, and the Series K and L Notes is payable semi-annually on April 1 and October 1 of each year until all principal is paid. Interest on the Series F Notes is payable semi-annually on April 15 and October 15 of each year until all principal is paid. Interest on the 2016 Notes is payable semi-annually on March 23 and September 23 of each year, until all principal is paid. Interest on the Series J Notes is payable quarterly on January 1, April 1, July 1 and October 1 of each year until all principal is paid. As of June 30, 2020, the Series J Notes bore interest at an effective rate of 1.63%. Interest on the 2018 Notes is payable semi-annually on May 30 and November 30 of each year until all principal is paid.

Unamortized debt issuance costs associated with the Notes of $2,229 as of June 30, 2020 and $2,478 as of September 30, 2019 were recorded as a reduction in “Long-term debt, less current portion” in the Condensed Consolidated Balance Sheets. Unamortized debt issuance costs associated with Woodward’s existing and previous revolving credit agreements of $2,392 as of June 30, 2020 and $2,840 as of September 30, 2019 were recorded as “Other assets” in the Condensed Consolidated Balance Sheets. Amortization of debt issuance costs is included in operating activities in the Condensed Consolidated Statements of Cash Flows.