The following table summarizes the Company’s total outstanding borrowings as of the dates indicated (in thousands):



	March 31,			December 31,
Description:	2018			2017
2016 Credit Agreement - Term loan A facility (1)	$	1,410,750		$	1,429,312
2016 Credit Agreement - Term loan B facility (1)	495,000			496,250
2016 Credit Agreement - Revolving credit facility (1), (2)	310,000			595,000
Senior Notes (3)	800,000			800,000
Other (4)	2,385			2,500
Principal amount outstanding (5)	$	3,018,135		$	3,323,062
Less: deferred financing fees (6)	(42,350		)	(44,217		)
Net balance sheet carrying amount (7)	$	2,975,785		$	3,278,845

(1)

The contractual annualized interest rate as of March 31, 2018 on the Term loan A and B facilities was 3.88%, which consisted of a floating eurodollar base rate of 1.88% plus a margin of 2.00%. The contractual annualized interest rate on the revolving credit facility was 4.38%, which consisted of a floating eurodollar base rate of 1.88% plus a margin of 2.50%. However, the Company has interest rate swap contracts which effectively convert the floating eurodollar base rates on a portion of the amounts outstanding to a fixed base rate.


(2)	The Company had $866.0 million of available borrowing capacity on the revolver (not including the expansion feature) as of March 31, 2018.


(3)	Consists of $800.0 million principal amount of Senior Notes outstanding. The Senior Notes pay a fixed rate of 5.125% and mature on April 1, 2025.


(4)	Consists of a $2.5 million State of Connecticut economic development loan with a 3.00% fixed rate of interest. The loan was originated in 2012 and has a 10 year maturity. Principal payments are deferred for the first five years and the loan may be repaid at any time by the Company without penalty.


(5)	The average annual effective rate on the Company's total debt outstanding for the three months ended March 31, 2018, including the effect of its interest rate swaps discussed below, was 4.14%.


(6)	The deferred financing fees are being amortized to Interest expense, net over the term of the related debt obligation.


(7)	On April 30, 2018, the Company repaid $400.0 million of the Term loan B facility and $50.0 million of the revolving credit facility.