Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Basic and Diluted Weighted Average Shares Outstanding

Basic and diluted weighted average shares outstanding were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Weighted average common shares		43,822,472		41,236,554		43,728,503		36,435,591
Dilutive common stock options and restricted stock units		651,265		484,242		511,433		454,340
Dilutive effect of convertible senior notes		1,354,438		842,206		892,179		496,402
Weighted average common shares, assuming dilution		45,828,175		42,563,002		45,132,115		37,386,333