Exhibit 12.1

Earnings to Fixed Charge Calculation

	2003		2004		2005		2006		Period from January 1 to November 9, 2007		Period from November 10 to December 31, 2007			Nine Months Ended September 30, 2008
	(Dollars in millions, except ratios)
Fixed charges
Interest expense(1)	$	4.6	$	4.4	$	5.5	$	6.0	$	5.3	$	50.3		$	223.6
Capitalized interest		0.2		0.4		0.5		0.6		0.4		0.1			0.4
Interest within rental expense		17.7		17.7		17.4		16.9		15.0		2.3			12.1
Total fixed charges	$	22.5	$	22.5	$	23.4	$	23.5	$	20.7	$	52.7		$	236.1
Earnings
Earnings (loss) before income taxes	$	150.2	$	41.2	$	173.8	$	259.3	$	168.3	$	(19.2	)	$	(89.2	)
Less:
Capitalized interest		0.2		0.4		0.5		0.6		0.4		0.1			0.4
Plus:
Amortization of capitalized interest		0.4		0.3		0.3		0.4		0.4		0.1			0.3
Fixed charges		22.5		22.5		23.4		23.5		20.7		52.7			236.1
Total “earnings” as defined	$	172.9	$	63.6	$	197.0	$	282.6	$	189.0	$	33.5		$	146.8
Ratio of earnings to fixed charges		7.7		2.8		8.4		12.0		9.1		—			—
Deficiency		—		—		—		—		—		(19.2	)		(89.3	)

(1) Includes amortization of deferred financing fees and debt discounts.