Exhbit 12

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(In Thousands, Except Ratios)
	Twelve months Ended		Twelve months Ended		Twelve months Ended		Twelve months Ended		Twelve months Ended
	December 31,		December 31,		December 31,		December 31,		December 31,
	2010		2009		2008		2007		2006
Earnings: (1)
Net income	$	123,854	$	107,428	$	111,136	$	106,506	$	91,377
Income taxes		77,100		59,244		67,560		66,741		47,691
Fixed Charges (See below) (2)		81,803		80,107		80,611		81,145		78,345
Total adjusted earnings	$	282,757	$	246,779	$	259,307	$	254,392	$	217,413
Fixed charges: (2)
Total interest expense	$	81,425	$	79,203	$	79,877	$	80,576	$	77,538
Interest component of rents		378		904		734		569		807
Total fixed charges	$	81,803	$	80,107	$	80,611	$	81,145	$	78,345
Ratio of earnings to fixed charges		3.5		3.1		3.2		3.1		2.8

(1)  For the purposes of computing these ratios, earnings consist of pretax net income before fixed charges.

(2)  Fixed charges consist of total interest, amortization of debt discount, premium and expense, and the estimated portion of

       interest implicit in rentals.