LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2011

LONG-TERM DEBT

Schedule of long-term debt

(dollars in thousands)	2011		2010
Commercial paper payable through 2012 at a weighted-average interest rate of 0.4%	$	46,500	$	158,750
Notes payable in 2012 at an interest rate of 4.875%	300,000		300,000
Industrial revenue bond payable in 2012 at an interest rate of 1.6%	8,000		8,000
Notes payable in 2014, at an interest rate of 5.65% less unamortized discount of $349 and $484, respectively	399,651		399,516
Notes payable in 2019, at an interest rate of 6.8% less unamortized discount of $938 and $1,061, respectively	399,062		398,939
Notes payable in 2021, at an interest rate of 4.5% includes $3,268 fair value of interest rate swap, less unamortized discount of $2,534	400,734		—
Debt of subsidiary companies payable through 2013 at interest rates of 7.3% to 20.6%	13,585		20,469
Obligations under capital leases	629		792
Total debt	1,568,161		1,286,466
Less current portion	13,411		2,941
Total long-term debt	$	1,554,750	$	1,283,525