Earnings Per Share Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Computation Of Net Income Per Share

The computation of earnings per share is as follows:

	Three Months Ended
	March 31, 2014		March 31, 2013
	(in thousands, except per share data)
Basic earnings per share:
Net income	$	53,115	$	2,689
Shares used in computation:
Weighted-average common shares outstanding	59,817		55,972
Basic earnings per share	$	0.89	$	0.05
Diluted earnings per share:
Net income	$	53,115	$	2,689
Senior Convertible Notes interest expense, net of tax	—		49
Numerator for diluted earnings per share	$	53,115	$	2,738
Shares used in computation:
Weighted-average common shares outstanding	59,817		55,972
Senior Convertible Notes shares	—		2,331
Employee stock options	1,731		1,843
Weighted-average number of shares	61,548		60,146
Diluted earnings per share	$	0.86	$	0.05

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table summarizes the potential common shares excluded from the diluted calculation:

	Three Months Ended
	March 31, 2014	March 31, 2013
	(in thousands)
Employee stock options	41	450