Stockholders' Equity and EPS (Tables)

9 Months Ended

Sep. 30, 2012

Reconciliation of Basic EPS to Diluted EPS

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



	Three months ended September 30,				Nine months ended September 30,
(Dollars and shares in thousands, except per share amounts)	2012		2011		2012		2011
Numerator:
Net income available to common stockholders	$	42,289	$	37,571	$	124,682	$	136,328
Denominator:
Weighted average common shares outstanding-basic	44,449		43,233		44,147		42,882
Weighted average effect of dilutive securities:
Stock options and ESPP	346		452		402		610
Restricted stock units	120		106		143		122
3.875% Convertible Notes (1)	—		—		—		27
Denominator for diluted calculation	44,915		43,791		44,692		43,641
Earnings per common share:
Basic	$	0.95	$	0.87	$	2.82	$	3.18
Diluted	$	0.94	$	0.86	$	2.79	$	3.12


(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 nine months ended September 30, 2012 and 2011:



	Three months ended September 30,		Nine months ended September 30,
(Shares in thousands)	2012	2011	2012	2011
Stock options	795	1,264	658	663
Restricted stock units	220	279	—	128
Total	1,015	1,543	658	791