Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Computation of Basic EPS to Dilutive EPS

The following table reconciles the computation of basic EPS to diluted EPS:

	Net		Weighted
	Earnings		Average		Per Share
	(in thousands)		Shares		Amount
For the three-months ended September 30, 2021:
Net earnings per share, basic	$	58,928		142,334,449	$	0.41
Effect of stock options and stock grants		—		884,471		—
Net earnings per share, diluted	$	58,928		143,218,920	$	0.41

	Net		Weighted
	Earnings		Average		Per Share
	(in thousands)		Shares		Amount
For the nine-months ended September 30, 2021:
Net earnings per share, basic	$	172,225		142,242,783	$	1.21
Effect of stock options and stock grants		—		941,009		(0.01	)
Net earnings per share, diluted	$	172,225		143,183,792	$	1.20

	Net		Weighted
	Earnings		Average		Per Share
	(in thousands)		Shares		Amount
For the three-months ended September 30, 2020:
Net earnings per share, basic	$	52,857		141,980,707	$	0.37
Effect of stock options and stock grants		—		548,535		—
Net earnings per share, diluted	$	52,857		142,529,242	$	0.37

	Net		Weighted
	Earnings		Average		Per Share
	(in thousands)		Shares		Amount
For the nine-months ended September 30, 2020:
Net earnings per share, basic	$	143,558		142,023,930	$	1.01
Effect of stock options and stock grants		—		495,518		—
Net earnings per share, diluted	$	143,558		142,519,448	$	1.01