Exhibit 12

	Twelve months		Twelve months		Twelve months		Twelve months		Twelve months
	Ended		Ended		Ended		Ended		Ended
	December 31,		December 31,		December 31,		December 31,		December 31,
	2008		2007		2006		2005		2004
Earnings: (1)
Net income (2)	$	111,136	$	106,506	$	91,377	$	95,128	$	83,146
Income taxes		67,560		66,741		47,691		57,500		53,035
Equity in (income) losses of equity investees, net of distributions		-		-		-		-		(128	)
Fixed Charges (See below) (3)		80,611		81,145		78,345		71,007		68,363
Less:  Preferred stock dividend		-		-		-		4		13
Total adjusted earnings	$	259,307	$	254,392	$	217,413	$	223,631	$	204,403
Fixed charges: (3)
Total interest expense	$	79,877	$	80,576	$	77,538	$	69,942	$	67,408
Interest component of rents		734		569		807		1,061		942
Preferred stock dividend		-		-		-		4		13
Total fixed charges	$	80,611	$	81,145	$	78,345	$	71,007	$	68,363
Ratio of earnings to fixed charges		3.2		3.1		2.8		3.1		3.0

1.    For the purposes of computing these ratios, earnings consist of pretax net income before income (losses) from equity investees, fixed charges, and less preferred stock dividends of a consolidated subsidiary.

2.    Net income, as defined, is before preferred stock dividend requirement of subsidiary and cumulative effect of change in accounting principle.

3.    Fixed charges consist of total interest, amortization of debt discount, premium and expense, the estimated portion of interest implicit in rentals, and preferred stock dividends of a consolidated subsidiary.