Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Schedule Of Components Of Debt

Debt consists of the following at:

	June 30, 2016		December 31, 2015
	(in thousands)
$400 million senior unsecured notes with an effective interest rate of 6.0% less deferred issuance costs of $5.0 million and $5.4 million at June 30, 2016 and December 31, 2015, respectively	$	394,962	$	394,618
$250 million senior unsecured notes with an effective interest rate of 6.19%, less a discount and deferred issuance costs of $1.3 million and $1.4 million at June 30, 2016 and December 31, 2015, respectively	248,722		248,568
$450 million senior unsecured credit facility with an effective interest rate of 1.95% and 1.87%, less deferred issuance costs of $2.7 million and $3.0 million at June 30, 2016 and December 31, 2015, respectively	244,350		156,025
Fixed rate collateralized mortgage with an effective interest rate of 4.57%, plus a fair value adjustment of $0.8 million and $0.9 million at June 30, 2016 and December 31, 2015, respectively	9,742		10,048
Economic development loans with an effective rate interest rate of 3.0% at June 30, 2016 and December 31, 2015	3,712		3,712
Capital lease obligations due 2016 with an effective interest rate of 3.18% at June 30, 2016 and December 31, 2015	62		430
Other notes payable	635		735
Total debt	$	902,185	$	814,136
Less current portion	833		1,191
Total long-term debt	$	901,352	$	812,945