Debt (Tables)

12 Months Ended

Dec. 31, 2017

The following is a summary of debt ($ amounts in thousands):


	As of December 31, 2017			As of December 31, 2016
Revolving credit facility(A)	$	840,810		$	290,000
Term loans		200,000			263,101
6.375% Senior Unsecured Notes due 2022:
Principal amount		—			350,000
Unamortized premium		—			1,814

		—			351,814
5.750% Senior Unsecured Notes due 2020(B)		—			210,340
4.000% Senior Unsecured Notes due 2022(B)		600,250			525,850
5.500% Senior Unsecured Notes due 2024		300,000			300,000
6.375% Senior Unsecured Notes due 2024		500,000			500,000
3.325% Senior Unsecured Notes due 2025(B)		600,250			—
5.250% Senior Unsecured Notes due 2026		500,000			500,000
5.000% Senior Unsecured Notes due 2027		1,400,000			—

	$	4,941,310		$	2,941,105
Debt issue costs, net		(42,643	)		(31,764	)

	$	4,898,667		$	2,909,341

(A)	The 2017 column includes £8 million of GBP-denominated borrowings that reflect the exchange rate at December 31, 2017.

(B)	These notes are Euro-denominated and reflect the exchange rate at December 31, 2017 and December 31, 2016, respectively.

Principal Payments Due on Debt

As of December 31, 2017, principal payments due on our debt (which exclude the effects of any discounts, premiums, or debt issue costs recorded) are as follows ($ amounts in thousands):


2018	$	—
2019		—
2020		—
2021		840,810
2022		800,250
Thereafter		3,300,250

Total	$	4,941,310