Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The table below sets forth the reconciliation between net income and the weighted average shares outstanding used for calculating basic and diluted EPS:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Earnings (numerator)
Net income attributable to common stockholders	$	30,908	$	14,450	$	74,502	$	28,846
Shares (denominator)
Weighted average common shares outstanding (basic)		50,115		49,057		49,713		48,633
Dilutive effect of stock options and stock awards outstanding		962		1,359		1,170		1,428
Adjusted weighted average common shares outstanding (diluted)		51,077		50,416		50,883		50,061
Earnings per share attributable to common stockholders
Basic	$	0.62	$	0.29	$	1.50	$	0.59
Diluted	$	0.61	$	0.29	$	1.46	$	0.58
Stock options and stock awards excluded from EPS   calculation because the effect would be anti-dilutive		-		651		94		704