Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Common Share [Abstract]

Schedule Of Net Income (Loss) Per Common Share

	Three Months Ended
	March 31,
(Dollars in thousands, except per share amounts)	2016			2015
Net income (loss) per share:
Numerator
Net income (loss)	$	171,686		$	322,978
Less:  dividends declared-common shares and nonvested common shares		(48,706	)		(42,252	)
Undistributed earnings		122,980			280,726
Percentage allocated to common shareholders (1)		99.0	%		98.9	%
		121,697			277,755
Add:  dividends declared-common shareholders		48,210			41,816
Numerator for basic and diluted earnings per common share	$	169,907		$	319,571
Denominator
Denominator for basic earnings per weighted-average common shares		42,129			44,028
Effect of dilutive securities:
Options		334			416
Denominator for diluted earnings per adjusted weighted-average common shares		42,463			44,444
Per common share net income (loss)
Basic	$	4.03		$	7.26
Diluted	$	4.00		$	7.19
(1)  Basic weighted-average common shares outstanding		42,129			44,028
Basic weighted-average common shares outstanding and nonvested common shares expected to vest		42,573			44,499
Percentage allocated to common shareholders		99.0	%		98.9	%
(Some amounts may not reconcile due to rounding.)