Exhibit 12.1

Calculation of Ratio of Earnings to Fixed Charges

(in millions)

	Year Ended December 31
	2012			2011			2010			2009			2008
Earnings:
Earning (loss) from continuing operations before income taxes and equity in earnings (losses) of unconsolidated entities	$	831.2		$	727.0		$	598.1		$	159.2		$	180.8
Fixed charges		280.2			326.9			228.9			172.7			206.7
Amortization of capitalized interest		2.6			3.6			1.1			0.4			0.2
Capitalized interest		(3.4	)		(6.5	)		(6.4	)		(5.6	)		(4.6	)
Total earnings (a)	$	1,110.6		$	1,051.0		$	821.7		$	326.7		$	383.1
Fixed Charges:
Interest expensed	$	219.0		$	251.3		$	170.5		$	129.0		$	146.7
Capitalized interest		3.4			6.5			6.4			5.6			4.6
Amortization of debt issue costs		29.4			38.2			13.7			5.0			16.8
Interest included in rent expense		28.4			30.9			38.3			33.1			38.6
Total fixed charges (b)	$	280.2		$	326.9		$	228.9		$	172.7		$	206.7
Ratio of earnings to fixed charges (a/b)		4.0			3.2			3.6			1.9			1.9