Long-term Debt

Long-term debt at December 31, 2015 and 2014 consisted of the following (in thousands):



	2015		2014
Revolving credit agreement	$	175,000	$	—
Term Loan	856,950		865,650
Senior Unsecured Notes due 2020 (5.625%)	250,000		250,000
Senior Unsecured Notes due 2022 (5.625%)	1,100,000		1,100,000
Other debt at an average interest rate of 3.4%, due through 2022	24,944		20,156
Capitalized lease arrangements at an average interest rate of 5.4%, due through 2021	18,613		15,206
	2,425,507		2,251,012
Less current portion	20,377		18,826
Long-term debt	$	2,405,130	$	2,232,186

Principal payments required on the Company’s long-term debt and capital leases in the five years and thereafter subsequent to December 31, 2015 are $20.4 million, $18.0 million, $14.8 million, $187.0 million, $261.0 million, and $1.9 billion. The fair value of the Company's fixed rate long-term debt and variable rate long-term debt approximated its carrying values of $1.4 billion and $1.0 billion at December 31, 2015, respectively. With the exception of the Company’s 2020 and 2022 Senior Unsecured Notes, the fair value of fixed rate debt (Level 2) is determined based on an estimation of discounted future cash flows of the debt at rates currently quoted or offered to the Company for similar debt instruments of comparable maturities by its lenders. The fair value of the Company’s 2020 and 2022 Senior Unsecured Notes (Level 1) is determined based on quoted prices in an active market.

a. Term Loan and Credit Facility

On July 16, 2014, the Company entered into a credit facility that is comprised of an $870.0 million term loan and a $300.0 million revolving credit facility. On October 21, 2015, the Company exercised the accordion feature of its revolving credit facility and increased the Company's borrowing capacity by $200.0 million to $500.0 million. As of December 31, 2015, the Company had available $325.0 million under the revolving credit facility.

The term loan matures on July 16, 2021 and bears interest at a rate equal to, at the Company’s option, the alternative base rate as defined in the agreement (ABR) plus 1.75% to 2.00% or LIBOR plus 2.75% to 3.00%, with a LIBOR floor of 0.75%, or a combination thereof (3.75% on December 31, 2015). The term loan requires quarterly principal payments of 0.25% of the face amount totaling $8.7 million annually.

The revolving credit facility matures on July 16, 2019 and permits the Company to borrow at an interest rate equal to, at the Company’s option, the ABR plus 1.75% to 2.00% or LIBOR plus 2.75% to 3.00%, or a combination thereof; and provides for a fee of 0.375% of unused commitments. The Company has the option to increase borrowings under the senior secured credit facility by an unlimited amount as long as certain financial covenants are met and lender approval is obtained. The senior credit facility contains certain covenants relating to the ratio of debt to operating performance measurements and interest coverage ratios and is secured by a pledge of the stock of the Company’s wholly-owned subsidiaries and certain of the Company’s less than wholly-owned subsidiaries. As of December 31, 2015, the Company was in compliance with the covenants contained in the term loan and credit facility.

Prior to entering into the Company's credit facility, the Company maintained a revolving credit facility which had a maturity of June 2018. On July 3, 2014, the Company utilized proceeds received from its common and preferred stock offerings to repay its outstanding obligation under the existing revolving credit facility. As a result of the early termination, the Company recognized approximately $4.5 million as debt extinguishment costs in the accompanying statements of earnings during the year ended December 31, 2014 related to the write-off of net deferred loan costs.

b. Senior Unsecured Notes

2020 Senior Unsecured Notes

On November 20, 2012, the Company completed a private offering of $250.0 million aggregate principal amount of 5.625% senior unsecured notes due 2020 (2020 Senior Unsecured Notes). On May 31, 2013, the Company completed an offer to exchange the outstanding 2020 Senior Unsecured Notes for an equal amount of such notes that are registered under the Securities Act of 1933, as amended (Securities Act). The net proceeds from the issuance of the 2020 Senior Unsecured Notes were used to reduce the outstanding indebtedness under the Company’s revolving credit agreement. The 2020 Senior Unsecured Notes are unsecured obligations of the Company and are guaranteed by its existing and subsequently acquired or organized wholly-owned domestic subsidiaries. The 2020 Senior Unsecured Notes are pari passu in right of payment with all the existing and future senior debt of the Company and senior to all existing and future subordinated debt of the Company. Interest on the 2020 Senior Unsecured Notes accrues at the rate of 5.625% per annum and is payable semi-annually in arrears on May 30 and November 30, through the maturity date of November 30, 2020.

The Company may redeem the 2020 Senior Unsecured Notes in whole or in part. The redemption price for such a redemption (expressed as percentages of principal amount) is set forth below, plus accrued and unpaid interest and liquidated damages, if any, if redeemed during the twelve-month period beginning on November 30 of the years indicated below:



Period	Redemption Price
2015	104.219	%
2016	102.813	%
2017	101.406	%
2018 and thereafter	100.000	%

The 2020 Senior Unsecured Notes contain certain covenants which, among other things, limit, but may not restrict the Company’s ability to enter into or guarantee additional borrowings, sell preferred stock, pay dividends and repurchase stock. The Company was in compliance with the covenants contained in the indenture relating to the 2020 Senior Unsecured Notes at December 31, 2015.

2022 Senior Unsecured Notes

On July 16, 2014, the Company completed a private offering of $1.1 billion aggregate principal amount of 5.625% senior unsecured notes due 2022 (2022 Senior Unsecured Notes). On February 19, 2015, the Company completed an offer to exchange the outstanding 2022 Senior Unsecured Notes, for an equal amount of such notes that are registered under the Securities Act. The 2022 Senior Unsecured Notes are unsecured obligations of the Company and are guaranteed by the Company and existing and subsequently acquired or organized wholly-owned domestic subsidiaries. The 2022 Senior Unsecured Notes are pari passu in right of payment with all the existing and future senior debt of the Company and senior to all existing and future subordinated debt of the Company. Interest on the 2022 Senior Unsecured Notes accrues at the rate of 5.625% per annum and is payable semi-annually in arrears on January 15 and July 15, beginning on January 15, 2015, and ending on the maturity date of July 15, 2022.

Prior to July 15, 2017, the Company may redeem up to 35% of the aggregate principal amount of the 2022 Senior Unsecured Notes at a redemption price of 105.625% of the principal amount thereof, plus accrued and unpaid interest and liquidated damages, if any, using proceeds of one or more equity offerings. On or after July 15, 2017, the Company may redeem the 2022 Senior Unsecured Notes in whole or in part. The redemption price for such a redemption (expressed as percentages of principal amount) is set forth below, plus accrued and unpaid interest and liquidated damages, if any, if redeemed during the twelve-month period beginning on July 15 of the years indicated below:



Period	Redemption Price
2017	104.219	%
2018	102.813	%
2019	101.406	%
2020 and thereafter	100.000	%

The 2022 Senior Unsecured Notes contain certain covenants which, among other things, limit, but may not restrict the Company’s ability to enter into or guarantee additional borrowings, sell preferred stock, pay dividends and repurchase stock. Based on the terms of the 2022 Notes, the Company has adequate ability to meet its obligations to pay dividends as required under the terms of its mandatory preferred stock. The Company was in compliance with the covenants contained in the indenture relating to the 2022 Senior Unsecured Notes at December 31, 2015.

c. Senior Secured Notes

During 2010, the Company issued $75.0 million principal amount of senior secured notes due 2020 (Senior Secured Notes) pursuant to a note purchase agreement. The Senior Secured Notes had a maturity date of May 28, 2020. On July 16, 2014, the Company redeemed the Senior Secured Notes utilizing proceeds received from its common and preferred stock offerings. As a result of the early extinguishment, the Company paid an early termination fee of approximately $12.4 million to the holders of the Senior Secured Notes, which is recognized as a component of debt extinguishment costs during the year ended December 31, 2014 in the accompanying statements of earnings.

d. Other debt

Certain partnerships included in the Company’s consolidated financial statements have loans with local lending institutions, included above in other debt, which are collateralized by certain assets of the surgery centers with a book value of approximately $41.7 million. The Company and the partners have guaranteed payment of the loans in proportion to the relative partnership interests.