Debt (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Summary of Debt

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

	As of September 30, 2016						As of December 31, 2015
	Balance			Interest Rate			Balance			Interest Rate
Revolving credit facility	$	—			Variable		$	1,100,000			Variable
2006 Senior Unsecured Notes due 2016		60,000			5.675	%		125,000			Various
2011 Senior Unsecured Notes		—			—			450,000			6.875	%
2012 Senior Unsecured Notes due 2022:
Principal amount		350,000			6.375	%		350,000			6.375	%
Unamortized premium		1,902						2,168
		351,902						352,168
2013 Senior Unsecured Notes due 2020(A)		224,700			5.750	%		217,240			5.750	%
2014 Senior Unsecured Notes due 2024		300,000			5.500	%		300,000			5.500	%
2015 Senior Unsecured Notes due 2022(A)		561,750			4.000	%		543,100			4.000	%
2016 Senior Unsecured Notes due 2024		500,000			6.375	%		—			—
2016 Senior Unsecured Notes due 2026		500,000			5.250	%		—			—
Term loans		263,179			Various			263,400			Various
	$	2,761,531					$	3,350,908
Debt issue costs, net		(32,982	)					(28,367	)
	$	2,728,549					$	3,322,541

(A) These notes are Euro-denominated and reflect the exchange rate at September 30, 2016 and December 31, 2015, respectively.

Principal Payments Due on Debt

As of September 30, 2016, principal payments due on our debt (which exclude the effects of any discounts, premiums, or debt issue costs recorded) are as follows (in thousands):

2016	$	60,078	(A)
2017		320
2018		12,781
2019		250,000
2020		224,700
Thereafter		2,211,750
Total	$	2,759,629

(A) The remaining $60 million of our 2006 Senior Unsecured Notes were paid in full on October 31, 2016.