Exhibit 12.1

Calculation of Ratio of Earnings to Fixed Charges
(in millions)

	Nine Months Ended
	September 30, 2010						Year Ended December 31
	2010			2009			2009			2008			2007			2006			2005
Earnings:
Earning (loss) from continuing operations before income taxes and equity in earnings (losses) of unconsolidated entities	$	439.2		$	243.9		$	156.0		$	168.1		$	363.7		$	(10.1	)	$	(83.5	)
Fixed charges		141.3			120.9			172.7			206.7			227.9			217.8			147.0
Amortization of capitalized interest		0.4			0.3			0.4			0.2			—			—			—
Capitalized interest		(3.2	)		(3.9	)		(5.6	)		(4.6	)		(1.9	)		—			—
Total earnings (a)	$	577.7		$	361.2		$	323.5		$	370.4		$	589.7		$	207.7		$	63.5
Fixed Charges:
Interest expensed	$	98.8		$	91.8		$	129.0		$	146.7		$	159.6		$	185.6		$	121.0
Capitalized interest		3.2			3.9			5.6			4.6			1.9			—			—
Amortization of debt issue costs		9.6			2.5			5.0			16.8			30.6			5.3			5.8
Interest included in rent expense		29.7			22.7			33.1			38.6			35.8			26.9			20.2
Total fixed charges (b)	$	141.3		$	120.9		$	172.7		$	206.7		$	227.9		$	217.8		$	147.0
Ratio of earnings to fixed charges (a/b)		4.1			3.0			1.9			1.8			2.6			1.0			0.4