The following tables reconcile the numerator and the denominator of the basic and diluted net income per share computation (in thousands, except for per share data):



	For the Three Months Ended June 30,
	2011					2010
	Basic		Diluted			Basic		Diluted
Numerator:
Net income applicable to common shareholders	$	17,156	$	17,156		$	34,963	$	34,963
Denominator:
Weighted-average shares outstanding: Basic	45,369		45,369			43,971		43,971
Dilutive effect of stock options and RSUs			474					735
Weighted-average shares outstanding: Diluted			45,843					44,706
Earnings Per Share:
Net income: Basic	$	0.38	$	0.38		$	0.80	$	0.80
Dilutive effect of stock options and RSUs			(0.01		)			(0.02		)
Net income: Diluted			$	0.37				$	0.78



	For the Six Months Ended June 30,
	2011					2010
	Basic		Diluted			Basic		Diluted
Numerator:
Net income applicable to common shareholders	$	40,495	$	40,495		$	83,790	$	83,790
Denominator:
Weighted-average shares outstanding: Basic	45,338		45,338			43,794		43,794
Dilutive effect of stock options and RSUs			520					752
Weighted-average shares outstanding: Diluted			45,858					44,546
Earnings Per Share:
Net income: Basic	$	0.89	$	0.89		$	1.91	$	1.91
Dilutive effect of stock options and RSUs			(0.01		)			(0.03		)
Net income: Diluted			$	0.88				$	1.88