Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Comparison Of Basic And Diluted Earnings Per Share

The following table sets forth the comparison of basic and diluted (loss) earnings per share:

	Three Months Ended   September 30,					Nine Months Ended   September 30,
	2015			2014		2015		2014
Basic (loss) earnings per share:
Net (loss) income	$	(51,630	)	$	30,915	$	82,184	$	359,750
Weighted average common shares outstanding	90,882,511			96,458,231		93,068,088		97,926,378
Basic (loss) earnings per share	$	(0.57	)	$	0.32	$	0.88	$	3.67

	Three Months Ended   September 30,					Nine Months Ended   September 30,
	2015			2014		2015		2014
Diluted (loss) earnings per share:
Net (loss) income	$	(51,630	)	$	30,915	$	82,184	$	359,750
Weighted average common shares outstanding	90,882,511			96,458,231		93,068,088		97,926,378
Share equivalents:
Stock options	—			1,430,243		1,071,569		1,449,641
RSUs and performance-based equity awards	—			541,711		569,276		575,675
Employee share purchase plan	—			14,053		16,047		13,602
Weighted average common shares and common share equivalents outstanding - diluted	90,882,511			98,444,238		94,724,980		99,965,296
Diluted (loss) earnings per share	$	(0.57	)	$	0.31	$	0.87	$	3.60