Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The reconciliation between basic and diluted EPS using the two-class method and treasury stock method is presented as follows:

	Three Months Ended March 31,
(Dollars in thousands, except per share amounts)	2016		2015
Basic EPS:
Net income	$	54,136	$	57,139
Less:
Cash dividends on 5.875% non-cumulative perpetual series A, Preferred Stock	1,469		1,469
Income allocated to participating securities	387		407
Net income attributable to common shareholders	$	52,280	$	55,263
Weighted average Common Stock outstanding used in basic EPS	165,745		165,411
Basic net income per common share	$	0.32	$	0.33
Diluted EPS:
Income used in diluted earnings per common share calculation	$	52,280	$	55,263
Weighted average Common Stock outstanding used in basic EPS	165,745		165,411
Add: Common Stock equivalents
Employee stock award plans	494		592
Weighted average Common and Common Stock equivalent shares outstanding	166,239		166,003
Diluted net income per common share	$	0.31	$	0.33