EXHIBIT 12.1

STATEMENT OF COMPUTATION OF RATIO OF EARNINGS

TO FIXED CHARGES

(In thousands)

	2014		2013		2012		2011		2010
Earnings:
Income before income tax provision		385,662		320,921		265,103		273,129		225,476
Plus:  fixed charges per below		70,194		80,197		57,274		46,562		43,163
Less: capitalized interest per below		-		-		-		-		-
Plus:  current period amortization of interest capitalized in prior periods		49		49		49		39		39
Total earnings	$	455,905	$	401,167	$	322,426	$	319,730	$	268,678
Fixed charges
Interest expense	$	64,674	$	73,579	$	53,037	$	44,520	$	40,134
Capitalized interest		-		-		-		-		-
Interest portion of rent expense		5,520		6,618		4,237		2,042		3,029
Total fixed charges	$	70,194	$	80,197	$	57,274	$	46,562	$	43,163
Ratio of earnings to fixed charges		6.5		5.0		5.6		6.9		6.2