EXHIBIT 12.1

STATEMENT OF COMPUTATION OF RATIO OF EARNINGS
TO FIXED CHARGES
(In thousands)
	2013		2012		2011		2010		2009
Earnings:
Income before income tax provision		320,921		265,103		273,129		225,476		175,376
Plus:  fixed charges per below		80,197		57,274		46,562		43,163		52,798
Less: capitalized interest per below		-		-		-		-		-
Plus:  current period amortization of interest
capitalized in prior periods		49		49		39		39		39
Total earnings	$	401,167	$	322,426	$	319,730	$	268,678	$	228,213
Fixed charges
Interest expense	$	73,579	$	53,037	$	44,520	$	40,134	$	49,161
Capitalized interest		-		-		-		-		-
Interest portion of rent expense		6,618		4,237		2,042		3,029		3,637
Total fixed charges	$	80,197	$	57,274	$	46,562	$	43,163	$	52,798
Ratio of earnings to fixed charges		5.0		5.6		6.9		6.2		4.3