Net Earnings Per Share Net Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

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 March 31,
	2020		2019
Numerator for earnings per share:
Net earnings for basic and diluted earnings per share	$	15,424	$	61,748
Denominator for earnings per share:
Weighted average number of common shares outstanding	133,596		135,541
Assumed exercise of stock options and vesting of restricted stock awards, net of shares assumed reacquired under the treasury stock method	1,331		1,624
Diluted shares outstanding	134,927		137,165