Debt (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Schedule Of Components Of Debt

Debt consists of the following at:

	June 30, 2015		December 31, 2014
	(in thousands)
$400 million senior unsecured notes with an effective interest rate of 6.0% at June 30, 2015 and December 31, 2014	$	400,000	$	400,000
$250 million senior unsecured notes with an effective interest rate of 6.19% less discount of $0.3 million and $0.4 million at June 30, 2015 and December 31, 2014, respectively	249,668		249,636
$350 million senior secured credit facility with an effective interest rate of 2.19% and 2.17% at June 30, 2015 and December 31, 2014, respectively	136,750		129,375
Fixed rate collateralized mortgage plus a fair value adjustment of $1.1 million and $1.2 million at June 30, 2015 and December 31, 2014, respectively with an effective interest rate of 4.57%	10,351		10,667
Economic development loans with an effective interest rate of 3.0% at June 30, 2015 and December 31, 2014	3,536		3,536
Capital lease obligations due 2016 with an effective interest rate of 3.18% at June 30, 2015 and December 31, 2014	792		1,149
Other notes payable	62		68
Total debt	$	801,159	$	794,431
Less current portion	1,124		12,349
Total long-term debt	$	800,035	$	782,082