EXHIBIT 12.1

STATEMENT OF COMPUTATION OF RATIO OF EARNINGS

TO FIXED CHARGES

(In thousands)

	2015			2014		2013		2012		2011
Earnings:
Income (loss) before income tax provision		(126,286	)		385,662		320,921		265,103		273,129
Plus:  fixed charges per below		69,775			70,194		80,197		57,274		46,562
Less: capitalized interest per below		-			-		-		-		-
Plus:  current period amortization of interest capitalized in prior periods		49			49		49		49		39
Total earnings	$	(56,462	)	$	455,905	$	401,167	$	322,426	$	319,730
Fixed charges:
Interest expense	$	64,236		$	64,674	$	73,579	$	53,037	$	44,520
Capitalized interest		-			-		-		-		-
Interest portion of rent expense		5,540			5,520		6,618		4,237		2,042
Total fixed charges	$	69,776		$	70,194	$	80,197	$	57,274	$	46,562
Ratio of earnings to fixed charges		(0.8	)		6.5		5.0		5.6		6.9
Insufficient coverage	$	126,237		$	-	$	-	$	-	$	-