Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Net Earnings Per Share

The computations of basic net earnings per share and diluted net earnings per share are as follows:

	Three Months Ended September 30, 2013
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	13,790,000
Basic earnings per common share	$	13,790,000	69,706,000	$	0.20
Effect of dilutive securities:
Stock options and restricted stock			825,000	—
Diluted earnings per common share	$	13,790,000	70,531,000	$	0.20
	Three Months Ended September 30, 2012
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	11,517,000
Basic earnings per common share	$	11,517,000	67,651,000	$	0.17
Effect of dilutive securities:
Stock options and restricted stock			984,000	—
Diluted earnings per common share	$	11,517,000	68,635,000	$	0.17

	Nine Months Ended September 30, 2013
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	41,677,000
Basic earnings per common share	$	41,677,000	68,926,000	$	0.60
Effect of dilutive securities:
Stock options and restricted stock			832,000	—
Diluted earnings per common share	$	41,677,000	69,758,000	$	0.60
	Nine Months Ended September 30, 2012
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	31,416,000
Basic earnings per common share	$	31,416,000	67,344,000	$	0.47
Effect of dilutive securities:
Stock options and restricted stock			972,000	(0.01		)
Diluted earnings per common share	$	31,416,000	68,316,000	$	0.46