Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30,				Nine Months Ended September 30,
(Dollars in thousands, except per share amounts)	2015		2014		2015		2014
Basic EPS:
Net income	$	59,012	$	63,898	$	172,735	$	176,872
Less:
Cash dividends on 5.875% non-cumulative perpetual series A, Preferred Stock	1,469		1,469		4,407		4,407
Income allocated to participating securities	477		519		1,401		1,433
Net income attributable to common shareholders	$	57,066	$	61,910	$	166,927	$	171,032
Weighted average Common Stock outstanding used in basic EPS	165,762		165,389		165,638		165,263
Basic net income per common share	$	0.34	$	0.37	$	1.01	$	1.03
Diluted EPS:
Income used in diluted earnings per common share calculation	$	57,066	$	61,910	$	166,927	$	171,032
Weighted average Common Stock outstanding used in basic EPS	165,762		165,389		165,638		165,263
Add: Common Stock equivalents:
Stock plans and warrant	296		415		301		653
Weighted average Common and Common Stock equivalent shares outstanding	166,058		165,804		165,939		165,916
Diluted net income per common share	$	0.34	$	0.37	$	1.01	$	1.03