Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Earnings Per Share

	Three Months Ended March 31,
	2014		2013
Net income	$	30,204	$	7,854
Shares of common stock and common stock equivalents:
Weighted averages shares used in basic computation		130,934		125,436
Dilutive effect of stock options and unvested restricted stock		7,733		14,214
Weighted averages shares used in dilutive computation		138,667		139,650
Basic earnings per share	$	0.23	$	0.06
Dilutive earnings per share	$	0.22	$	0.06