EXHIBIT 12.1

RATIO OF EARNINGS TO FIXED CHARGES

Our ratio of earnings to fixed charges is as follows:

	Year Ended December 31,
	2005		2004		2003			2002			2001
			(In thousands, except for ratios)
Earnings:
Income (loss) from continuing operations before provision for income taxes and cumulative effect of accounting change	$	197,977	$	102,466	$	(80,868	)	$	(773,560	)	$	85,369
Minority interest		—		—		(2,893	)		—			—
Equity in undistributed earnings (losses) of affiliates		253		4,885		(706	)		1,053			(3,418	)
Interest expense		31,820		36,066		18,993			15,123			39,656
Portion of rents representative of the interest factor		11,019		16,317		15,810			15,011			14,442
	$	241,069	$	159,734	$	(49,664	)	$	(742,373	)	$	136,049
Fixed charges:
Interest expense, including amount capitalized		33,721		37,039		20,591			17,946			41,033
Portion of rents representative of the interest factor		11,019		16,317		15,810			15,011			14,442
	$	44,740	$	53,356	$	36,401		$	32,957		$	55,475
Ratio of earnings to fixed charges		5.39x		2.99x		—			—			2.45x

Earnings were inadequate to cover fixed charges for the years ended December 31, 2003 and 2002 by $86,065 and $775,330, respectively.