Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2015

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 June 30, 2015
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	16,288,000
Basic earnings per common share	$	16,288,000	71,657,000	$	0.23
Effect of dilutive securities:
Stock options and restricted stock			629,000	—
Diluted earnings per common share	$	16,288,000	72,286,000	$	0.23
	Three Months Ended June 30, 2014
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	13,921,000
Basic earnings per common share	$	13,921,000	70,440,000	$	0.20
Effect of dilutive securities:
Stock options and restricted stock			766,000	—
Diluted earnings per common share	$	13,921,000	71,206,000	$	0.20

	Six Months Ended June 30, 2015
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	31,804,000
Basic earnings per common share	$	31,804,000	71,563,000	$	0.44
Effect of dilutive securities:
Stock options and restricted stock			660,000	—
Diluted earnings per common share	$	31,804,000	72,223,000	$	0.44
	Six Months Ended June 30, 2014
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	28,560,000
Basic earnings per common share	$	28,560,000	70,381,000	$	0.41
Effect of dilutive securities:
Stock options and restricted stock			759,000	(0.01		)
Diluted earnings per common share	$	28,560,000	71,140,000	$	0.40