The Company utilizes uncommitted lines of credit as needed for its short-term working capital fluctuations. As of December 31, 2019 and 2018, the Company had lines of credit from banks totaling $94.6 million and $88.9 million, respectively. As of December 31, 2019 and 2018, the Company had short-term debt balances outstanding related to draws on the lines of credit of $19.2 million and $9.9 million, respectively.

A summary of long-term debt, net of unamortized debt issuance costs and unamortized original issue discount, and the related weighted average interest rates is shown below (in millions):



December 31,	2019
Debt Instrument	Long-Term Debt		Unamortized Debt Issuance Costs			Unamortized Original Issue Discount			Long-Term Debt, Net			Weighted Average Interest Rate
Credit Agreement — Term Loan Facility	$	234.4	$	(1.0	)	$	—		$	233.4		2.88%
5.25% Senior Notes due 2025 (the "2025 Notes")	650.0		(4.2		)	—			645.8			5.25%
3.8% Senior Notes due 2027 (the "2027 Notes")	750.0		(4.7		)	(4.1		)	741.2			3.885%
4.25% Senior Notes due 2029 (the "2029 Notes")	375.0		(2.9		)	(1.1		)	371.0			4.288%
5.25% Senior Notes due 2049 (the "2049 Notes")	325.0		(3.3		)	(5.3		)	316.4			5.363%
	$	2,334.4	$	(16.1	)	$	(10.5	)	2,307.8
Less — Current portion									(14.1		)
Long-term debt									$	2,293.7



December 31,	2018
Debt Instrument	Long-Term Debt		Unamortized Debt Issuance Costs			Unamortized Original Issue Discount			Long-Term Debt, Net			Weighted Average Interest Rate
Credit Agreement — Term Loan Facility	$	242.2	$	(1.5	)	$	—		$	240.7		3.92%
5.375% Senior Notes due 2024 (the "2024 Notes")	325.0		(2.0		)	—			323.0			5.375%
2025 Notes	650.0		(5.0		)	—			645.0			5.25%
2027 Notes	750.0		(5.3		)	(4.6		)	740.1			3.885%
Other	5.1		—			—			5.1			N/A
	$	1,972.3	$	(13.8	)	$	(4.6	)	1,953.9
Less — Current portion									(12.9		)
Long-term debt									$	1,941.0

The issuance, maturity and interest payment dates of the Company's senior unsecured 2025 Notes, 2027 Notes, 2029 Notes and 2049 Notes (collectively, the "Notes") are as shown below:



Note	Issuance Date	Maturity Date	Interest Payment Dates
2025 Notes	November 2014	January 15, 2025	January 15 and July 15
2027 Notes	August 2017	September 15, 2027	March 15 and September 15
2029 Notes	May 2019	May 15, 2029	May 15 and November 15
2049 Notes	May 2019	May 15, 2049	May 15 and November 15

The Company may redeem the 2025 Notes, in whole or in part, on or after January 15, 2020, at the redemption prices set forth below, plus accrued and unpaid interest to the redemption date.

In 2017, the Company issued $750.0 million in aggregate principal amount at maturity of 2027 Notes at a stated coupon rate of 3.8%. The 2027 Notes were priced at 99.294% of par, resulting in a yield to maturity of 3.885%. The proceeds from the offering of $744.7 million, after original issue discount, were used to redeem the outstanding $500.0 million in aggregate principal amount of the 2023 Notes at a redemption price equal to 100% of the aggregate principal amount thereof, plus a "make-whole" premium of $17.0 million, as well as to refinance a portion of the Company's $500.0 million prior term loan facility (see "— Credit Agreement" below). In connection with these transactions, the Company recognized a loss of $21.2 million on the extinguishment of debt and paid related issuance costs of $6.0 million.

Prior to June 15, 2027, the Company, at its option, may redeem some or all of the 2027 Notes at a redemption price equal to 100% of the principal amount thereof, plus a "make-whole" premium as of, and accrued and unpaid interest to, the redemption date. At any time on or after June 15, 2027, but prior to the maturity date of September 15, 2027, the Company, at its option, may redeem some or all of the 2027 Notes at a redemption price equal to 100% of the principal amount thereof, plus accrued and unpaid interest to the redemption date.

In 2019, the Company issued $375.0 million in aggregate principal amount at maturity of 2029 Notes and $325.0 million in aggregate principal amount at maturity of 2049 Notes. The 2029 Notes have a stated coupon rate of 4.25% and were priced at 99.691% of par, resulting in a yield to maturity of 4.288%. The 2049 Notes have a stated coupon rate of 5.25% and were priced at 98.32% of par, resulting in a yield to maturity of 5.363%.

The net proceeds from the offering were $693.3 million after original issue discount. The proceeds were used to redeem the $325.0 million in aggregate principal amount of the 2024 Notes at a redemption price equal to 102.688% of the principal amount of such 2024 Notes, plus accrued interest, as well as to finance the acquisition of Xevo (Note 3, "Acquisitions") and for general corporate purposes.

In connection with these transactions, the Company recognized a loss of $10.6 million on the extinguishment of debt and paid related issuance costs of $6.5 million.

Subject to certain exceptions, the indentures governing the Notes contain restrictive covenants that, among other things, limit the ability of the Company to: (i) create or permit certain liens and (ii) consolidate, merge or sell all or substantially all of the Company’s assets. The indentures governing the Notes also provide for customary events of default. As of December 31, 2019, the Company was in compliance with all covenants under the indentures governing the Notes.

In 2017, the Company entered into an unsecured credit agreement (the "Credit Agreement") consisting of a $1.75 billion revolving credit facility (the "Revolving Credit Facility") and a $250.0 million term loan facility (the "Term Loan Facility"). The maturity date of the Revolving Credit Facility is August 8, 2023, and the maturity date of the Term Loan Facility is August 8, 2022. In connection with this transaction, the Company borrowed $250.0 million under the Term Loan Facility and paid related issuance costs of $5.7 million. At the same time, the Company terminated its previously existing credit agreement, which consisted of a $1.25 billion revolving credit facility and a $500 million term loan facility, and repaid amounts outstanding under the term loan facility of $453.1 million.

In 2019, aggregate borrowings and repayments under the Revolving Credit Facility were $30.0 million. In 2018, there were no borrowings or repayments under the Revolving Credit Facility. In 2017, aggregate borrowings and repayments under the Revolving Credit Facility and prior revolving credit facility were $109.5 million.

In 2019, 2018 and 2017, the Company made required principal payments under the Term Loan Facility of $7.8 million, $6.3 million and $1.6 million, respectively. In addition, in 2017, the Company made required principal payments under the prior term loan facility of $15.6 million, as well as a payment of $453.1 million in connection with the Credit Agreement described above.

Advances under the Revolving Credit Facility and the Term Loan Facility generally bear interest based on (i) the Eurocurrency Rate (as defined in the Credit Agreement) or (ii) the Base Rate (as defined in the Credit Agreement) plus a margin, determined in accordance with a pricing grid. As of December 31, 2019, the ranges and rates are as follows (in percentages):



	Eurocurrency Rate						Base Rate
	Minimum		Maximum		Rate as of December 31, 2019		Minimum		Maximum		Rate as of December 31, 2019
Revolving Credit Facility	1.00	%	1.60	%	1.10	%	0.00	%	0.60	%	0.10	%
Term Loan Facility	1.125	%	1.90	%	1.25	%	0.125	%	0.90	%	0.25	%

The Credit Agreement contains various customary representations, warranties and covenants by the Company, including, without limitation, (i) covenants regarding maximum leverage, (ii) limitations on fundamental changes involving the Company or its subsidiaries and (iii) limitations on indebtedness and liens. As of December 31, 2019, the Company was in compliance with all covenants under the Credit Agreement.

As of December 31, 2019, scheduled maturities related to the Credit Agreement — Term Loan Facility for the five succeeding years, as of the date of this Report, are shown below (in millions):