Accrued Liabilities

12 Months Ended

Dec. 31, 2013

Other Liabilities Disclosure [Abstract]

Accrued Liabilities

Accrued Liabilities

Accrued liabilities consisted of the following:

(Dollars in thousands)	December 31,
	2013		2012
Compensated absences	$	46,421	$	40,254
Employee benefits	40,203		38,761
Wages and salaries	35,826		29,451
Variable compensation	33,573		50,713
Taxes other than income taxes	26,704		23,930
Interest	17,579		17,607
Other	28,772		52,493
Total accrued liabilities	$	229,078	$	253,209