Shareholders' Equity (Tables)

6 Months Ended

Jun. 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 June 30,				Six Months Ended June 30,
(Dollars in thousands, except per share amounts)	2015		2014		2015		2014
Basic EPS:
Net income	$	56,584	$	59,519	$	113,723	$	112,974
Less:
Cash dividends on 5.875% non-cumulative perpetual series A, Preferred Stock	1,469		1,469		2,938		2,938
Income allocated to participating securities	467		489		937		926
Net income attributable to common shareholders	$	54,648	$	57,561	$	109,848	$	109,110
Weighted average Common Stock outstanding used in basic EPS	165,736		165,335		165,574		165,198
Basic net income per common share	$	0.33	$	0.35	$	0.66	$	0.66
Diluted EPS:
Income used in diluted earnings per common share calculation	$	54,648	$	57,561	$	109,848	$	109,110
Weighted average Common Stock outstanding used in basic EPS	165,736		165,335		165,574		165,198
Add: Common Stock equivalents:
Warrant and stock plans	541		812		515		854
Weighted average Common and Common Stock equivalent shares outstanding	166,277		166,147		166,089		166,052
Diluted net income per common share	$	0.33	$	0.35	$	0.66	$	0.66