Net Earnings Per Share Net Earnings Per Share (Notes)

9 Months Ended

Sep. 30, 2018

Net Earnings Per Share

The following table sets forth the reconciliation of the numerator and denominator utilized in the computation of basic and diluted earnings per share (in thousands):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Numerator for earnings per share:
Net earnings for basic and diluted earnings per share	$	73,151	$	63,529	$	183,909	$	157,513
Denominator for earnings per share:
Weighted average number of common shares outstanding	138,190		137,849		138,146		137,030
Assumed exercise of stock options and vesting of restricted stock awards, net of shares assumed reacquired under the treasury stock method	2,137		1,570		2,467		1,823
Diluted shares outstanding	140,327		139,419		140,613		138,853

The effect of stock-based compensation awards for three and nine months ended September 30, 2017, which in the aggregate consisted of 147,000 and 83,000 shares, respectively, have been excluded for purposes of diluted earnings per share since the effect of their inclusion would have been anti-dilutive. There were no shares excluded for the three and nine months ended September 30, 2018.