Debt (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Summary of Debt

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

	As of June 30, 2014					As of December 31, 2013
	Balance		Interest Rate			Balance		Interest Rate
Revolving credit facility	$	—		Variable		$	105,000		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		2,697		—			2,873		—
		352,697					352,873
2013 Senior Unsecured Notes (A)		273,840		5.750	%		274,860		5.750	%
2014 Senior Unsecured Notes		300,000		5.500	%		—		—
Term loans		138,816		Various			113,948		Various
	$	1,640,353				$	1,421,681

(A) These notes are Euro-denominated and reflect the exchange rate at June 30, 2014 and December 31, 2013, respectively.

Principal Payments Due for Debt

As of June 30, 2014, principal payments due for our debt (which exclude the effects of any premiums recorded) are as follows (in thousands):

2014	$	134
2015		283
2016		125,298
2017		320
2018		12,781
Thereafter		1,498,840
Total	$	1,637,656