Stockholders' Equity and Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Stockholders' Equity and Earnings Per Share [Abstract]

Schedule of earnings per share calculations

The following table presents the EPS calculations for the three months ended March 31, 2018 and 2017:

($ and shares in thousands, except per share data)	Three Months Ended March 31,
	2018		2017
Basic
Net income	$	187,032	$	169,736
Basic weighted-average number of shares outstanding	144,664		144,249
Basic EPS	$	1.29	$	1.18
Diluted
Net income	$	187,032	$	169,736
Basic weighted-average number of shares outstanding	144,664		144,249
Diluted potential common shares (1)	1,275		1,483
Diluted weighted-average number of shares outstanding	145,939		145,732
Diluted EPS	$	1.28	$	1.16

(1) Includes dilutive shares from RSUs and warrants for the three months ended March 31,2018 and 2017.