Exhibit 12.1

Calculation of Ratio of Earnings to Fixed Charges

	Year Ended December 31,
	2005		2006		2007		2008		2009
	(In thousands, except ratio of earnings to fixed charges)
Income from continuing operations before income taxes	$	73,152	$	191,428	$	223,129	$	160,904	$	417
Fixed charges(1)
Interest expense		6,022		6,800		7,106		7,369		7,119
Amortization of debt issuance cost		3,308		436		421		506		399
Interest included in rental expense		632		918		899		992		1,071
Total fixed charges	$	9,962	$	8,154	$	8,426	$	8,867	$	8,589
Earnings(2)	$	83,114	$	199,582	$	231,555	$	169,771	$	9,006
Ratio of earnings to fixed charges		8.3		24.5		27.5		19.1		1.1

(1) “Fixed charges” consist of interest expense on indebtedness, amortization of debt issuance costs and the estimated portion of rental expense deemed a reasonable approximation of this interest factor.

(2)       “Earnings” consist of income from continuing operations before income taxes plus fixed charges.