A reconciliation of the numerator and denominator of the basic earnings per share computation to the numerator and denominator of the diluted earnings per share computation is as follows (in thousands, except per share data):


	For the Three Months Ended September 30,					For the Nine Months Ended September 30,
	2012		2011			2012			2011
NUMERATOR
Basic:
Income from continuing operations	$	42,339	$	39,347		$	111,715		$	122,403
Loss from discontinued operations, net of taxes		—		(107	)		(362	)		(415	)

Net income	$	42,339	$	39,240		$	111,353		$	121,988


Diluted:
Income from continuing operations	$	42,339	$	39,347		$	111,715		$	122,403
Loss from discontinued operations, net of taxes		—		(107	)		(362	)		(415	)

Diluted net income	$	42,339	$	39,240		$	111,353		$	121,988


DENOMINATOR
Basic:
Weighted average common shares outstanding		99,637		104,254			99,500			106,624


Diluted:
Weighted average common shares outstanding		99,637		104,254			99,500			106,624
Effect of dilutive securities:
Stock options		973		550			790			621
Restricted stock-based compensation		232		216			174			169

Weighted average shares and assumed conversions		100,842		105,020			100,464			107,414


BASIC EARNINGS PER SHARE:
Income from continuing operations	$	0.42	$	0.38		$	1.12		$	1.14
Loss from discontinued operations, net of taxes		—		—			—			—

Net income	$	0.42	$	0.38		$	1.12		$	1.14


DILUTED EARNINGS PER SHARE:
Income from continuing operations	$	0.42	$	0.37		$	1.11		$	1.14
Loss from discontinued operations, net of taxes		—		—			—			—

Net income	$	0.42	$	0.37		$	1.11		$	1.14