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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Earnings Per Share Reconciliation

Basic and diluted EPS calculations are detailed as follows (in thousands, except per share data):


		Year Ended December 31, 2019
		Net Income				Weighted-Average Shares				Per Share
		(Numerator)				(Denominator)				Amount
Net income per basic common share		$	592,198				67,627			$	8.76
Effect of dilutive stock option, restricted stock, performance stock unit and restricted stock unit securities			—				539				(0.07	)

Net income per diluted common share		$	592,198				68,166			$	8.69


		Year Ended December 31, 2018
		Net Income				Weighted-Average Shares				Per Share
		(Numerator)				(Denominator)				Amount
Net income per basic common share		$	593,794				76,992			$	7.71
Effect of dilutive stock option, restricted stock, performance stock unit and restricted stock unit securities			—				626				(0.06	)

Net income per diluted common share		$	593,794				77,618			$	7.65


		Year Ended December 31, 2017
		Net Income				Weighted-Average Shares				Per Share
		(Numerator)				(Denominator)				Amount
Net income per basic common share		$	20,311				79,793			$	0.25
Effect of dilutive stock option, restricted stock, performance stock unit and restricted stock unit securities			—				811				—

Net income per diluted common share		$	20,311				80,604			$	0.25