EXHIBIT 12

Computation of Ratio of Earnings to Fixed Charges
(in millions except ratio of earnings to fixed charges)
	Year Ended December 31,
	2009			2008			2007			2006			2005
Earnings:
Income from continuing operations before income taxes and noncontrolling interest	$	412.1		$	642.2		$	346.7		$	11.7		$	8.0
Portion of rents representative of interest expense		5.8			5.6			5.2			8.4			0.4
Interest on indebtedness, including amortization of deferred loan costs		0.1			22.3			83.1			89.0			97.0
Amortization of capitalized interest		-			-			-			-			-
Minority interest in pre-tax income of subsidiaries that have not incurred
fixed charges		-			-			0.9			(0.6	)		(5.6	)
Earnings, as adjusted	$	418.0		$	670.1		$	435.9		$	108.5		$	99.8
Fixed Charges:
Portion of rents representative of interest expense	$	5.8		$	5.6		$	5.2		$	8.4		$	0.4
Interest on indebtedness, including amortization of deferred loan costs		0.1			22.3			83.1			89.0			97.0
Capitalized interest		74.7			41.2			11.2			1.5			0.5
Total fixed charges	$	80.6		$	69.1		$	99.5		$	98.9		$	97.9
Ratio of earnings to fixed charges		5.19	x		9.70	x		4.38	x		1.10	x		1.02	x