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Credit Facilities and Debt

12 Months Ended

Sep. 30, 2019

At September 30, 2019 and 2018, we had the following borrowing obligations (dollars in thousands):



	September 30, 2019			September 30, 2018
5.625% Senior Notes due 2026, net of deferred issuance costs of $4.5 million and $5.1 million, respectively. Effective interest rate 5.625%.	$	495,518		$	494,915
5.375% Senior Notes due 2020, net of deferred issuance costs of $1.2 million. Effective interest rate 5.375%.	—			298,759
6.000% Senior Notes due 2024, net of deferred issuance costs of $1.5 million and $1.8 million, respectively. Effective interest rate 6.000%.	298,529			298,220
1.00% Convertible Debentures due 2035, net of unamortized discount of $91.6 million and $116.9 million, respectively, and deferred issuance costs of $4.3 million and $5.6 million, respectively. Effective interest rate 5.622%.	580,639			553,973
2.75% Convertible Debentures due 2031. Effective interest rate 7.432%.	46,568			46,568
1.25% Convertible Debentures due 2025, net of unamortized discount of $71.6 million and $82.4 million, respectively, and deferred issuance costs of $3.1 million and $3.7 million, respectively. Effective interest rate 5.578%.	275,257			263,863
1.50% Convertible Debentures due 2035, net of unamortized discount of $22.7 million and $32.8 million, respectively, and deferred issuance costs of $0.8 million and $1.1 million, respectively. Effective interest rate 5.394%.	240,406			229,906
Deferred issuance costs related to our Revolving Credit Facility	(511		)	(843		)
Total debt	1,936,406			2,185,361
Less: current portion	(1,142,870		)	—
Total long-term debt	$	793,536		$	2,185,361

The following table summarizes the maturities of our borrowing obligations as of September 30, 2019 (dollars in thousands):



Fiscal Year	Convertible Debentures ⁽¹⁾			Senior Notes ⁽²⁾			Total
2020	$	—		$	—		$	—
2021	—			—			—
2022	310,464			—			310,464
2023	676,488			—			676,488
2024	—			300,000			300,000
Thereafter	350,000			500,000			850,000
Total before unamortized discount	1,336,952			800,000			2,136,952
Less: unamortized discount and issuance costs	(194,082		)	(6,464		)	(200,546		)
Total long-term debt	$	1,142,870		$	793,536		$	1,936,406

⁽¹⁾

The repayment schedule above assumes that payment is due on the first contractual redemption date after September 30, 2019. As more fully described below, as of September 30, 2019, the holders had the right to convert all or any portion of their debentures until the close of business on October 1, 2019. As a result, the net carrying amounts of our convertible notes were included in current liabilities as of September 30, 2019. Upon the conclusion of the conversion period on October 1, 2019, none of the holders exercised their right to convert. As a result, the net carrying amounts of the convertible notes were reclassified back to long-term debt.


⁽²⁾	The repayment schedule reflects all the senior notes outstanding as of September 30, 2019. As more fully described below, on October 1, 2019, we redeemed all of the $300 million outstanding principal of the 2024 Senior Notes.

5.625% Senior Notes due 2026

In December 2016, we issued $500.0 million aggregate principal amount of 5.625% Senior Notes due on December 15, 2026 (the "2026 Senior Notes") in a private placement. The proceeds from the 2026 Senior Notes were approximately $495.0 million, net of issuance costs, and we used the proceeds to repurchase a portion of our 2020 Senior Notes. The 2026 Senior Notes bear interest at 5.625% per year, payable in cash semi-annually in arrears.

The 2026 Senior Notes are unsecured senior obligations and are guaranteed on an unsecured senior basis by certain of our domestic subsidiaries ("Subsidiary Guarantors"). The 2026 Senior Notes and the guarantees rank equally in right of payment with all of our and the Subsidiary Guarantors’ existing and future unsecured senior debt and rank senior in right of payment to all of our and the Subsidiary Guarantors’ future unsecured subordinated debt. The 2026 Senior Notes and guarantees effectively rank junior to all our secured debt and that of the Subsidiary Guarantors to the extent of the value of the collateral securing such debt and to all liabilities, including trade payables, of our subsidiaries that have not guaranteed the 2026 Senior Notes.

At any time before December 15, 2021, we may redeem all or a portion of the 2026 Senior Notes at a redemption price equal to 100% of the aggregate principal amount of the 2026 Senior Notes to be redeemed, plus a “make-whole” premium and accrued and unpaid interest to, but excluding, the redemption date. At any time on or after December 15, 2021, we may redeem all or a portion of the 2026 Senior Notes at certain redemption prices expressed as percentages of the principal amount, plus accrued and unpaid interest to, but excluding, the redemption date. At any time and from time to time before December 15, 2021, we may redeem up to 35% of the aggregate outstanding principal amount of the 2026 Senior Notes with the net cash proceeds received by us from certain equity offerings at a price equal to 105.625% of the aggregate principal amount, plus accrued and unpaid interest to, but excluding, the redemption date, provided that the redemption occurs no later than 120 days after the closing of the related equity offering, and at least 50% of the original aggregate principal amount of the 2026 Senior Notes remains outstanding immediately thereafter.

Upon the occurrence of certain asset sales or a change in control, we must offer to repurchase the 2026 Senior Notes at a price equal to 100% in the case of an asset sale, or 101% in the case of a change of control, of the principal amount plus accrued and unpaid interest to, but excluding, the repurchase date.

5.375% Senior Notes due 2020

On August 14, 2012, we issued $700.0 million aggregate principal amount of 5.375% Senior Notes due on August 15, 2020 in a private placement. The net proceeds were approximately $689.1 million, net of issuance costs, and bear interest at 5.375% per year, payable in cash semi-annually in arrears. On October 22, 2012, we issued, in a private placement, an additional $350.0 million aggregate principal amount of our 5.375% Senior Notes due 2020 (collectively the "Notes"). The Notes were issued pursuant to the indenture agreement dated August 14, 2012. Total proceeds received, net of issuance costs, were $351.7 million.

The Notes are our unsecured senior obligations and are guaranteed (the “Guarantees”) on an unsecured senior basis by Subsidiary Guarantors. The Notes and Guarantees rank equally in right of payment with all of our and the Subsidiary Guarantors' existing and future unsecured senior debt and rank senior in right of payment to all of our and the Subsidiary Guarantors' future unsecured subordinated debt. The Notes and Guarantees effectively rank junior to all secured debt of our and the Subsidiary Guarantors to the extent of the value of the collateral securing such debt and to all liabilities, including trade payables, of our subsidiaries that have not guaranteed the Notes.

At any time, we may redeem all or a portion of the Notes at certain redemption prices expressed as percentages of the principal amount, plus accrued and unpaid interest to, but excluding, the redemption date.

Upon the occurrence of certain asset sales or a change in control, we must offer to repurchase the Notes at a price equal to 100%, in the case of an asset sale, or 101%, in the case of a change of control, of the principal amount plus accrued and unpaid interest to, but excluding, the repurchase date.

In January 2017, we repurchased $600.0 million in aggregate principal amount of our 2020 Senior Notes using cash and cash equivalents and the net proceeds from our 2026 Senior Notes issued in December 2016. As a result, we recorded an extinguishment loss of $18.6 million in fiscal year 2017.

In September 2018, we repurchased $150.0 million in aggregate principal amount of our 2020 Senior Notes at par. As a result, we wrote off the remaining unamortized premium and deferred issuance costs related to the repayment and recorded an extinguishment gain of $0.3 million in fiscal year 2018. Following this activity, $300.0 million in aggregate principal amount of our 2020 Senior Notes remained outstanding.

In March 2019, we repurchased the remaining $300.0 million in aggregate principal amount of our 2020 Senior Notes at par using the proceeds from the sale of our Imaging business. As a result, we wrote off the remaining unamortized deferred issuance costs related to the repayment and recorded an extinguishment loss of $0.9 million for the three months ended March 31, 2019. Following this activity, we have fully repaid our 2020 Senior Notes and no amount remains outstanding.

6.0% Senior Notes due 2024

In June 2016 , we issued $300.0 million aggregate principal amount of 6.0% Senior Notes due on July 1, 2024 (the "2024 Senior Notes") in a private placement. The proceeds from the 2024 Senior Notes were approximately $297.5 million, net of issuance costs. The 2024 Senior Notes bear interest at 6.0% per year, payable in cash semi-annually in arrears.

The 2024 Senior Notes are unsecured senior obligations and are guaranteed on an unsecured senior basis by our Subsidiary Guarantors. The 2024 Senior Notes and the guarantees rank equally in right of payment with all of our and the Subsidiary Guarantors’ existing and future unsecured senior debt, including our obligations and those of each such Subsidiary Guarantor under our senior credit facility, and rank senior in right of payment to all of our and the Subsidiary Guarantors’ future unsecured subordinated debt. The 2024 Senior Notes and guarantees effectively rank junior to all our secured debt and that of the Subsidiary Guarantors to the extent of the value of the collateral securing such debt and to all liabilities, including trade payables, of our subsidiaries that have not guaranteed the 2024 Senior Notes.

At any time before July 1, 2019, we may redeem all or a portion of the 2024 Senior Notes at a redemption price equal to 100% of the aggregate principal amount of the 2024 Senior Notes to be redeemed, plus a “make-whole” premium and accrued and unpaid interest to, but excluding, the redemption date. At any time on or after July 1, 2019, we may redeem all or a portion of the 2024 Senior Notes at certain redemption prices expressed as percentages of the principal amount, plus accrued and unpaid interest to, but excluding, the redemption date. At any time and from time to time before July 1, 2019, we may redeem up to 35% of the aggregate outstanding principal amount of the 2024 Senior Notes with the net cash proceeds received by us from certain equity offerings at a price equal to 106% of the aggregate principal amount, plus accrued and unpaid interest to, but excluding, the redemption date, provided that the redemption occurs no later than 120 days after the closing of the related equity offering, and at least 50% of the original aggregate principal amount of the 2024 Senior Notes remains outstanding immediately thereafter.

Upon the occurrence of certain asset sales or a change in control, we must offer to repurchase the 2024 Senior Notes at a price equal to 100% in the case of an asset sale, or 101% in the case of a change of control, of the principal amount plus accrued and unpaid interest to, but excluding, the repurchase date.

On August 30, 2019, we issued a conditional notice of full redemption pursuant to the indenture governing its 2024 Senior Notes, which was conditioned upon the incurrence of indebtedness by Cerence. On October 1, 2019, we redeemed all the $300.0 million outstanding principal amount of the 2024 Senior Notes for $313.5 million, plus accrued and unpaid interest of $4.5 million. As a result of the redemption, we will record a $15.0 million loss on extinguishment of debt for the first quarter of fiscal year 2020, including a $13.5 million redemption premium and a $1.5 million write-off of unamortized debt issuance costs.

1.0% Convertible Debentures due 2035

In December 2015, we issued $676.5 million in aggregate principal amount of 1.0% Senior Convertible Debentures due in 2035 (the “1.0% 2035 Debentures”) in a private placement. Total proceeds were $663.8 million, net of issuance costs, and we used a portion to repurchase $38.3 million in aggregate principal on our 2.75% Senior Convertible Debentures due in 2031 (the “2031 Debentures”) and to repay the aggregate principal balance of $472.5 million on our term loan under the amended and restated credit agreement. The 1.0% 2035 Debentures bear interest at 1.0% per year, payable in cash semi-annually in arrears. In addition to ordinary interest and default additional interest, beginning with the semi-annual interest period commencing on December 15, 2022, contingent interest will accrue during any regular semi-annual interest period where the average trading price of our 1.0% 2035 Debentures for the ten trading day period immediately preceding the first day of such semi-annual period is greater than or equal to $1,200 per $1,000 principal amount of our 1.0% 2035 Debentures, in which case, contingent interest will accrue at a rate of 0.50% per annum of such average trading price. The 1.0% 2035 Debentures mature on December 15, 2035, subject to the right of the holders to require us to redeem the 1.0% 2035 Debentures on December 15, 2022, 2027, or 2032. The 1.0% 2035 Debentures are general senior unsecured obligations and rank equally in right of payment with all of our existing and future unsecured, unsubordinated indebtedness and senior in right of payment to any indebtedness that is contractually subordinated to the 1.0% 2035 Debentures. The 1.0% 2035 Debentures will be effectively subordinated to indebtedness and other liabilities of our subsidiaries.

We account separately for the liability and equity components of the 1.0% 2035 Debentures in accordance with authoritative guidance for convertible debt instruments that may be settled in cash upon conversion. The guidance requires the carrying amount of the liability component to be estimated by measuring the fair value of a similar liability that does not have an associated conversion feature and record the remainder in stockholders’ equity. At issuance, we allocated $495.4 million to long-term debt, and $181.1 million has been recorded as additional paid-in capital, which is being amortized to interest expense using the effective interest rate method through December 2022.

If converted, the principal amount of the 1.0% 2035 Debentures is payable in cash and any amounts payable in excess of the principal amount will (based on an initial conversion rate, which represents an initial conversion price of approximately $27.22 per share, subject to adjustment) be paid in cash or shares of our common stock, at our election. Conversion is only allowed in the following circumstances and to the following extent: (i) prior to June 15, 2035, on any date during any fiscal quarter (and only during such fiscal quarter) if the closing sale price of our common stock was more than 130% of the then current conversion price for at least 20 trading days in the period of the 30 consecutive trading days ending on the last trading day of the previous fiscal quarter; (ii) during the five consecutive business-day period following any five consecutive trading-day period in which the trading price for $1,000 principal amount of the 1.0% 2035 Debentures for each day during such five trading-day period was less than 98% of the closing sale price of our common stock multiplied by the then current conversion rate; (iii) upon the occurrence of specified corporate transactions, as described in the indenture for the 1.0% 2035 Debentures; or (iv) at the option of the holder at any time on or after June 15, 2035. Additionally, we may redeem the 1.0% 2035 Debentures, in whole or in part, on or after December 20, 2022 for cash at a price equal to 100% of the principal amount of the 1.0% 2035 Debentures to be purchased plus any accrued and unpaid interest, including any additional interest to, but excluding, the repurchase date. Each holder shall have the right, at such holder’s option, to require us to repurchase all or any portion of the 1.0% 2035 Debentures held by such holder on December 15, 2022, December 15, 2027, or December 15, 2032 at par plus accrued and unpaid interest. If we undergo a fundamental change or non-stock change of control (as described in the indenture for the 1.0% 2035 Debentures) prior to maturity, holders will have the option to require us to repurchase all or any portion of their debentures for cash at a price equal to 100% of the principal amount of the 1.0% 2035 Debentures to be purchased plus any accrued and unpaid interest.

If we distribute to all holders of our common stock a per share dividend exceeding 10% of the closing sale price of our common stock on the trading day preceding the declaration date for such distribution (e.g. a spin-off), the holders will have the right to convert all or any portion of their debentures at the conversion ratio of 36.7360 shares per $1,000 principal amount, multiplied by the then current stock price.

In connection with the spin-off of our Automotive business, we issued a notice to all holders on September 5, 2019, pursuant to which, the holders had the right to convert all or any portion of their debentures at the aforementioned conversion ratio until the close of business on October 1, 2019. As of September 30 2019, the net carrying amount of the 1.0% 2035 Debentures was included within the current portion of long-term debt. Upon the conclusion of the conversion period on October 1, 2019, none of the holders exercised their right to convert. As a result, the net carrying amount of the 1.0% 2035 Debentures was reclassified back to long-term debt.

Additionally, in accordance with the terms of the indentures governing the debentures and due to the completion of the spin-off of our Automotive business, the conversion ratio of the 1.0% 2035 Debentures has been adjusted to 41.4576 shares per $1,000 principal amount, effective immediately after the end of October 15, 2019.

2.75% Convertible Debentures due 2031

On October 24, 2011, we sold $690.0 million of 2.75% Convertible Debentures due in 2031 in a private placement. Total proceeds, net of issuance costs, were $676.1 million. The 2031 Debentures bear interest at 2.75% per year, payable in cash semi-annually in arrears. The 2031 Debentures mature on November 1, 2031, subject to the right of the holders to require us to redeem the 2031 Debentures on November 1, 2017, 2021, and 2026. The 2031 Debentures are general senior unsecured obligations and rank equally in right of payment with all of our existing and future unsecured, unsubordinated indebtedness and senior in right of payment to any indebtedness that is contractually subordinated to the 2031 Debentures. The 2031 Debentures will be effectively subordinated to indebtedness and other liabilities of our subsidiaries.

We account separately for the liability and equity components of the 2031 Debentures in accordance with authoritative guidance for convertible debt instruments that may be settled in cash upon conversion. At issuance, we allocated $533.6 million to long-term debt, and $156.4 million has been recorded as additional paid-in capital, which was amortized to interest expense using the effective interest rate method through November 2017.

In June 2015, we entered into separate privately negotiated agreements with certain holders of our 2031 Debentures to exchange, in a private placement, $256.2 million in aggregate principal amount of our 2031 Debentures for approximately $263.9 million in aggregate principal amount of our 1.5% 2035 Debentures. Upon repurchase we recorded an extinguishment loss of $17.7 million in other expense, net, in the accompanying consolidated statements of operations. In December 2015, we entered into separate privately negotiated agreements with certain holders of our 2031 Debentures to repurchase $38.3 million in aggregate principal with proceeds received from the issuance of our 1.0% 2035 Debentures. Upon repurchase we recorded an extinguishment loss of $2.4 million in other expense, net, in the accompanying consolidated statements of operations. In accordance with the authoritative guidance for convertible debt instruments, a loss on extinguishment is equal to the difference between the reacquisition

price and the net carrying amount of the extinguished debt for our 2031 Debentures, including any unamortized debt discount or issuance costs. Following this activity, $395.5 million in aggregate principal amount of our 2031 Debentures remain outstanding. The aggregate debt discount was amortized to interest expense using the effective interest rate method through November 2017.

If converted, the principal amount of the 2031 Debentures is payable in cash and any amounts payable in excess of the principal amount will (based on an initial conversion rate, which represents an initial conversion price of approximately $32.30 per share, subject to adjustment) be paid in cash or shares of our common stock, at our election. Conversion is only allowed in the following circumstances and to the following extent: (i) on any date during any fiscal quarter (and only during such fiscal quarter) if the closing sale price of our common stock was more than 130% of the then current conversion price for at least 20 trading days in the period of the 30 consecutive trading days ending on the last trading day of the previous fiscal quarter; (ii) during the 5 consecutive business-day period following any 5 consecutive trading-day period in which the trading price for $1,000 principal amount of the 2031 Debentures for each day during such five trading-day period was less than 98% of the closing sale price of our common stock multiplied by the then current conversion rate; (iii) upon the occurrence of specified corporate transactions, as described in the indenture for the 2031 Debentures; or (iv) at the option of the holder at any time on or after May 1, 2031. Additionally, we may redeem the 2.75% 2031 Debentures, in whole or in part, at par plus accrued and unpaid interest. Each holder shall have the right, at such holder's option, to require us to repurchase all or any portion of the 2.75% 2031 Debentures held by such holder on November 1, 2021 and November 1, 2026 at par plus accrued and unpaid interest. If we undergo a fundamental change (as described in the indenture for the 2031 Debentures) prior to maturity, holders will have the option to require us to repurchase all or any portion of their debentures for cash at a price equal to 100% of the principal amount of the debentures to be purchased plus any accrued and unpaid interest.

In November 2017, holders of approximately $331.2 million in aggregate principal amount of the outstanding 2.75% 2031 Debentures exercised their right to require us to repurchase such debentures. Following the repurchase, $46.6 million in aggregate principal amount of the 2031 Debentures remains outstanding. We have the right to call for redemption of some or all of the remaining outstanding 2031 Debentures.

If we distribute to all holders of our common stock a per share dividend exceeding 10% of the closing sale price of our common stock on the trading day preceding the declaration date for such distribution (e.g. a spin-off), the holders will have the right to convert all or any portion of their debentures at the conversion ratio of 30.9610 shares per $1,000 principal amount, multiplied by the then current stock price.

In connection with the spin-off of our Automotive business, we issued a notice to all holders on September 5, 2019, pursuant to which, the holders had the right to convert all or any portion of their debentures at the aforementioned conversion ratio until the close of business on October 1, 2019. As of September 30 2019, the net carrying amount of the 2.75% 2031 Debentures was included within the current portion of long-term debt. Upon the conclusion of the conversion period on October 1, 2019, none of the holders exercised their right to convert. As a result, the net carrying amount of the 2.75% 2031 Debentures was reclassified back to long-term debt.

Additionally, in accordance with the terms of the indentures governing the debentures and due to the completion of the spin-off of our Automotive business, the conversion ratio of the 2.75% 2031 Debentures has been adjusted to 34.9385 shares per $1,000 principal amount, effective immediately after the end of October 15, 2019.

1.25% Convertible Debentures due 2025

In March 2017, we issued $350.0 million in aggregate principal amount of 1.25% Senior Convertible Debentures due in 2025 (the “1.25% 2025 Debentures”) in a private placement. The proceeds were approximately $343.6 million, net of issuance costs. We used a portion of the proceeds to repurchase 5.8 million shares of our common stock for $99.1 million and $17.8 million in aggregate principal on our 2031 Debentures. The 1.25% 2025 Debentures bear interest at 1.25% per year, payable in cash semi-annually in arrears, beginning on October 1, 2017. The 1.25% 2025 Debentures mature on April 1, 2025. The 1.25% 2025 Debentures are general senior unsecured obligations and rank equally in right of payment with all of our existing and future unsecured, unsubordinated indebtedness and senior in right of payment to any indebtedness that is contractually subordinated to the 1.25% 2025 Debentures. The 1.25% 2025 Debentures will be effectively subordinated to indebtedness and other liabilities of our subsidiaries.

We account separately for the liability and equity components of the 1.25% 2025 Debentures in accordance with authoritative guidance for convertible debt instruments that may be settled in cash upon conversion. The guidance requires the carrying amount of the liability component to be estimated by measuring the fair value of a similar liability that does not have an associated conversion feature and record the remainder in stockholders’ equity. At issuance, we allocated $252.1 million to long-term debt,

and $97.9 million has been recorded as additional paid-in capital, which is being amortized to interest expense using the effective interest rate method through April 1, 2025.

If converted, the principal amount of the 1.25% 2025 Debentures is payable in cash and any amounts payable in excess of the principal amount will (based on an initial conversion rate, which represents an initial conversion price of approximately $22.22 per share, subject to adjustment under certain circumstances) be paid in cash or shares of our common stock, at our election. Conversion is only allowed in the following circumstances and to the following extent: (i) prior to October 1, 2024, on any date during any fiscal quarter (and only during such fiscal quarter) if the closing sale price of our common stock was more than 130% of the then current conversion price for at least 20 trading days in the period of the 30 consecutive trading days ending on the last trading day of the previous fiscal quarter; (ii) at any time on or after October 1, 2024, (iii) during the five consecutive business-day period immediately following any five consecutive trading-day period in which the trading price for $1,000 principal amount of the 1.25% 2025 Debentures for each day during such five trading-day period was less than 98% of the closing sale price of our common stock multiplied by the then current conversion rate; or (iv) upon the occurrence of specified corporate transactions, as described in the indenture for the 1.25% 2025 Debentures. We may not redeem the 1.25% 2025 Debentures prior to the maturity date. If we undergo a fundamental change or non-stock change of control (as described in the indenture for the 1.25% 2025 Debentures) prior to maturity, holders will have the option to require us to repurchase all or any portion of their debentures for cash at a price equal to 100% of the principal amount of the 1.25% 2025 Debentures to be purchased plus any accrued and unpaid interest.

If we distribute to all holders of our common stock a per share dividend exceeding 10% of the closing sale price of our common stock on the trading day preceding the declaration date for such distribution (e.g. a spin-off), the holders will have the right to convert all or any portion of their debentures at the conversion ratio of 45.0106 shares per $1,000 principal amount, multiplied by the then current stock price.

In connection with the spin-off of our Automotive business, we issued a notice to all holders on September 5, 2019, pursuant to which, the holders had the right to convert all or any portion of their debentures at the aforementioned conversion ratio until the close of business on October 1, 2019. As of September 30 2019, the net carrying amount of the 1.25% 2025 Debentures was included within the current portion of long-term debt. Upon the conclusion of the conversion period on October 1, 2019, none of the holders exercised their right to convert. As a result, the net carrying amount of the 1.25% 2025 Debentures was reclassified back to long-term debt.

Additionally, in accordance with the terms of the indentures governing the debentures and due to the completion of the spin-off of our Automotive business, the conversion ratio of the 1.25% 2025 Debentures has been adjusted to 50.7957 shares per $1,000 principal amount, effective immediately after the end of October 15, 2019.

1.50% Convertible Debentures due 2035

In June 2015, we issued $263.9 million in aggregate principal amount of 1.50% Senior Convertible Debentures due in 2035 (the “1.5% 2035 Debentures”) in exchange for $256.2 million in aggregate principal amount of our 2031 Debentures. Total proceeds, net of issuance costs, were $253.2 million. The 1.5% 2035 Debentures were issued at 97.09% of the principal amount, which resulted in a discount of $7.7 million. The 1.5% 2035 Debentures bear interest at 1.50% per year, payable in cash semi-annually in arrears. In addition to ordinary interest and default additional interest, beginning with the semi-annual interest period commencing on November 1, 2021, contingent interest will accrue during any regular semi-annual interest period where the average trading price of our 1.5% 2035 Debentures for the ten trading day period immediately preceding the first day of such semi-annual period is greater than or equal to $1,200 per $1,000 principal amount of our 1.5% 2035 Debentures, in which case, contingent interest will accrue at a rate of 0.50% per annum of such average trading price. The 1.5% 2035 Debentures mature on November 1, 2035, subject to the right of the holders to require us to redeem the 1.5% 2035 Debentures on November 1, 2021, 2026, or 2031. The 1.5% 2035 Debentures are general senior unsecured obligations and rank equally in right of payment with all of our existing and future unsecured, unsubordinated indebtedness and senior in right of payment to any indebtedness that is contractually subordinated to the 1.5% 2035 Debentures. The 1.5% 2035 Debentures will be effectively subordinated to indebtedness and other liabilities of our subsidiaries.

We account separately for the liability and equity components of the 1.5% 2035 Debentures in accordance with authoritative guidance for convertible debt instruments that may be settled in cash upon conversion. At issuance, we allocated $208.6 million to long-term debt, and $55.3 million has been recorded as additional paid-in capital, which is being amortized to interest expense using the effective interest rate method through November 2021.

If converted, the principal amount of the 1.5% 2035 Debentures is payable in cash and any amounts payable in excess of the principal amount, will (based on an initial conversion rate, which represents an initial conversion price of approximately $23.26 per share, subject to adjustment) be paid in cash or shares of our common stock, at our election. Conversion is only allowed in the following circumstances and to the following extent: (i) prior to May 1, 2035, on any date during any fiscal quarter beginning after September 30, 2015 (and only during such fiscal quarter) if the closing sale price of our common stock was more than 130% of the then current conversion price for at least 20 trading days in the period of the 30 consecutive trading days ending on the last trading day of the previous fiscal quarter; (ii) during the five consecutive business-day period following any five consecutive trading-day period in which the trading price for $1,000 principal amount of the 1.5% 2035 Debentures for each day during such five trading-day period was less than 98% of the closing sale price of our common stock multiplied by the then current conversion rate; (iii) upon the occurrence of specified corporate transactions, as described in the indenture for the 1.5% 2035 Debentures; or (iv) at the option of the holder at any time on or after May 1, 2035. Additionally, we may redeem the 1.5% 2035 Debentures, in whole or in part, on or after November 5, 2021 for cash at a price equal to 100% of the principal amount of the 1.5% 2035 Debentures to be purchased plus any accrued and unpaid interest, including any additional interest to, but excluding, the repurchase date. Each holder shall have the right, at such holder’s option, to require us to repurchase all or any portion of the 1.5% 2035 Debentures held by such holder on November 1, 2021, November 1, 2026, or November 1, 2031 at par plus accrued and unpaid interest. If we undergo a fundamental change (as described in the indenture for the 1.5% 2035 Debentures) prior to maturity, holders will have the option to require us to repurchase all or any portion of their debentures for cash at a price equal to 100% of the principal amount of the 1.5% 2035 Debentures to be purchased plus any accrued and unpaid interest.

If we distribute to all holders of our common stock a per share dividend exceeding 10% of the closing sale price of our common stock on the trading day preceding the declaration date for such distribution (e.g. a spin-off), the holders will have the right to convert all or any portion of their debentures at the conversion ratio of 42.9978 shares per $1,000 principal amount, multiplied by the then current stock price.

In connection with the spin-off of our Automotive business, we issued a notice to all holders on September 5, 2019, pursuant to which, the holders had the right to convert all or any portion of their debentures at the aforementioned conversion ratio until the close of business on October 1, 2019. As of September 30 2019, the net carrying amount of the 1.5% 2035 Debentures was included within the current portion of long-term debt. Upon the conclusion of the conversion period on October 1, 2019, none of the holders exercised their right to convert. As a result, the net carrying amount of the 1.5% 2035 Debentures was reclassified back to long-term debt.

Additionally, in accordance with the terms of the indentures governing the debentures and due to the completion of the spin-off of our Automotive business, the conversion ratio of the 1.5% 2035 Debentures has been adjusted to 48.5216 shares per $1,000 principal amount, effective immediately after the end of October 15, 2019.

Revolving Credit Facility

Our revolving credit agreement (the “Revolving Credit Facility”), which expires on April 15, 2021, provides for aggregate borrowing commitments of $242.5 million, including the revolving facility loans, the swingline loans and issuance of letters of credit. As of September 30, 2019, after taking into account the outstanding letters of credit of $5.9 million, we had $236.6 million available for additional borrowing under the Revolving Credit Facility. The borrowing outstanding under the Revolving Credit Facility bears interest at either (i) LIBOR plus an applicable margin of 1.50% or 1.75%, or (ii) the alternative base rate plus an applicable margin of 0.50% or 0.75%. The Revolving Credit Facility is secured by substantially all our assets. The Revolving Credit Facility contains customary affirmative and negative covenants and conditions to borrowing, as well as customary events of default. As of September 30, 2019, we were in compliance with all the debt covenants.