Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Summary of Debt

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

	As of December 31, 2015						As of December 31, 2014
	Balance			Interest Rate			Balance			Interest Rate
Revolving credit facility	$	1,100,000			Variable		$	593,490			Variable
2006 Senior Unsecured Notes		125,000			Various			125,000			Various
2011 Senior Unsecured Notes		450,000			6.875	%		450,000			6.875	%
2012 Senior Unsecured Notes:
Principal amount		350,000			6.375	%		350,000			6.375	%
Unamortized premium		2,168						2,522
		352,168						352,522
2013 Senior Unsecured Notes(A)		217,240			5.75	%		241,960			5.75	%
2014 Senior Unsecured Notes		300,000			5.50	%		300,000			5.50	%
2015 Senior Unsecured Notes(A)		543,100			4.00	%		—			—
Term loans		263,400			Various			138,682			Various
	$	3,350,908					$	2,201,654
Debt issue costs, net		(28,367	)					(27,006	)
	$	3,322,541					$	2,174,648

(A) These notes are Euro-denominated and reflect the exchange rates at December 31, 2015 and 2014, respectively.

Principal Payments Due on Debt

As of December 31, 2015, principal payments due on our debt (which exclude the effects of any discounts, premiums, or debt issue costs recorded) are as follows:

2016	$	125,299
2017		320
2018		1,112,781
2019		250,000
2020		217,240
Thereafter		1,643,100
Total	$	3,348,740