Stockholders' Equity and EPS (Tables)

6 Months Ended

Jun. 30, 2012

Reconciliation of Basic EPS to Diluted EPS

The following is a reconciliation of basic EPS to diluted EPS for the three and six months ended June 30, 2012 and 2011:

	Three months ended June 30,				Six months ended June 30,
(Dollars and shares in thousands,  except per share amounts)	2012		2011		2012		2011
Numerator:
Net income available to common stockholders	$	47,603	$	65,750	$	82,393	$	98,757
Denominator:
Weighted average common shares outstanding-basic		44,207		42,924		43,994		42,704
Weighted average effect of dilutive securities:
Stock options and ESPP		385		654		426		678
Restricted stock units		120		101		153		100
3.875% Convertible Notes (1)		-		61		-		77
Denominator for diluted calculation		44,712		43,740		44,573		43,559
Earnings per common share:
Basic	$	1.08	$	1.53	$	1.87	$	2.31
Diluted	$	1.06	$	1.50	$	1.85	$	2.27

(1) Our $250 million 3.875% Convertible Notes matured on April 15, 2011.

Common Shares Excluded from Diluted EPS Calculation as They Were Deemed to be Anti-Dilutive

The following table summarizes the weighted-average common shares excluded from the diluted EPS calculation as they were deemed to be antidilutive for the three and six months ended June 30, 2012 and 2011:

	Three months ended June 30,				Six months ended June 30,
(Shares in thousands)	2012		2011		2012		2011
Stock options		683		582		574		574
Restricted stock units		189		158		94		99
Total		872		740		668		673