Exhibit 12.1

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

			Fiscal Year Ended December 31,
			2007			2006		2005		2004		2003
			(dollars in thousands)
Fixed Charges
	1	Interest expensed and capitalized	$	28,430		$	13,178	$	15,102	$	14,731	$	13,276
	2	An estimate of the interest factor in rental expense		5,418			4,607		4,165		2,859		1,776
		Total Fixed Charges	$	33,848		$	17,785	$	19,267	$	17,590	$	15,052
Earnings
	1	Pre-tax income (loss) from continuing operations before minority interests	$	201,563		$	112,463	$	58,239	$	24,968	$	9,818
	2	Fixed charges		33,848			17,785		19,267		17,590		15,052
	3	Amortization of capitalized interest (less interest capitalized)		(796	)		102		207		316		319
		Total Earnings	$	234,615		$	130,350	$	77,713	$	42,874	$	25,189
		Ratio of Earnings to Fixed Charges		6.9			7.3		4.0		2.4		1.7