Debt Debt (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following table presents our long-term debt profile after the four early debt redemptions in the first six months of 2013:

(Dollars in thousands)	June 30, 2013		December 31, 2012
Revenue bonds, fixed rate 5.9% to 6.0%, due 2024 through 2026	$	108,005	$	144,627
7.5% Senior Notes, due 2019	148,370		148,241
Debentures, 6.95%, due 2015	22,494		22,493
Medium-term notes, fixed rate 8.75% to 8.89%, due 2016 through 2022	27,250		27,250
Term loans, fixed rate 2.95% due 2017 and 3.70% due 2020	12,000		12,000
Fair value adjustment of hedged debt	2,012		2,952
Other notes	—		13
	320,131		357,576
Less current installments on long-term debt	—		8,413
Long-term debt	$	320,131	$	349,163

Schedule of Maturities of Long-term Debt

The following table summarizes our scheduled payments due on long-term debt during each of the five years subsequent to December 31, 2012 following our debt redemptions in the first half of 2013:

(Dollars in thousands)
2013	$	—
2014	—
2015	22,500
2016	5,000
2017	11,000