Exhibit 12.1

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	Year Ended December 31,
	2014		2013		2012		2011		2010
	(dollars in thousands)
Fixed Charges
1 Interest expensed and capitalized	$	82,156	$	73,095	$	52,038	$	48,314	$	50,160
2 An estimate of the interest factor in rental expense		4,706		5,223		3,836		3,643		4,949
Total Fixed Charges	$	86,862	$	78,318	$	55,874	$	51,957	$	55,109
Earnings
1 Pre-tax income (loss) from continuing operations before minority interests	$	81,546	$	127,049	$	5,042	$	118,099	$	69,466
2 Fixed charges		86,862		78,318		55,874		51,957		55,109
3 Amortization of capitalized interest (less interest capitalized)		172		336		519		166		38
Total Earnings	$	168,580	$	205,703	$	61,435	$	170,222	$	124,613
Ratio of Earnings to Fixed Charges		1.9		2.6		1.1		3.3		2.3