For the three and nine months ended September 30, 2013 and 2012, the computation of ratio of earnings to fixed charges is as follows (dollars in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,

	2013		2012		2013		2012
Earnings:
Income before taxes	$	100,855	$	87,374	$	300,945	$	260,870
Fixed charges		65,013		61,534		187,461		190,471

Total earnings	$	165,868	$	148,908	$	488,406	$	451,341

Fixed charges:
Interest expense inclusive of amortized premiums, discounts and capitalized expenses related to indebtedness	$	64,997	$	61,514	$	187,404	$	190,404
Estimate of the interest component of rental expense		16		20		57		67

Total fixed charges	$	65,013	$	61,534	$	187,461	$	190,471

Ratio of earnings to fixed charges		2.55		2.42		2.61		2.37