Exhibit 12
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(in thousands)

	Fiscal Year Ended				Six Months Ended				Years Ended
	June 30,				December 31,				December 31,
	2004		2005		2004		2005		2006			2007		2008
EARNINGS:
Income (loss) before income tax expense	$	57,057	$	89,425	$	29,944	$	81,617	$	(72,722	)	$	118,980	$	42,406
Add: Fixed charges		12,310		12,092		5,951		6,084		12,133			11,839		9,546
Earnings as defined	$	69,367	$	101,517	$	35,895	$	87,701	$	(60,589	)	$	130,819	$	51,952
FIXED CHARGES:
Interest expense	$	8,663	$	8,488	$	4,244	$	4,253	$	8,488		$	8,495	$	6,008
Amortization of deferred financing fees		2,145		2,152		1,080		1,080		2,152			1,523		666
Interest expense as reported		10,808		10,640		5,324		5,333		10,640			10,018		6,674
Portion of rent expense as interest		1,502		1,452		627		751		1,493			1,821		2,872
Fixed charges as defined	$	12,310	$	12,092	$	5,951	$	6,084	$	12,133		$	11,839	$	9,546
Ratio of earnings to fixed charges		5.6x		8.4x		6.0x		14.4x		(5.0)x			11.1x		5.4x

     For purposes of computing the ratios of earnings to fixed charges, earnings represent pretax income from continuing operations plus fixed charges. Fixed charges represent interest expense and the portion of rents representative of interest related to continuing operations.