exh11.htm

	Three months						Six months
	ended June 30,						ended June 30,
	2008			2007			2008			2007
	(Dollars, except per share amounts,
	and shares in thousands)
Income (Numerator):
Net income	$	92,167			112,265			180,927			190,135
Dividends applicable to preferred stock		(62	)		(93	)		(149	)		(186	)

Net income applicable to common stock		92,105			112,172			180,778			189,949
Interest on convertible debentures, net of tax		-			1,207			-			2,414
Dividends applicable to preferred stock		62			93			149			186

Net income as adjusted for purposes of computing diluted earnings per share	$	92,167			113,472			180,927			192,549

Shares (Denominator):
Weighted average number of shares:
Outstanding during period		104,886			109,263			106,001			110,506
Nonvested restricted stock		(1,242	)		(858	)		(1,108	)		(788	)

Number of shares for computing basic earnings per share		103,644			108,405			104,893			109,718

Incremental common shares attributable to dilutive securities:
Shares issuable under convertible securities		269			4,485			325			4,485
Shares issuable under incentive compensation and employee benefit plans		360			831			417			812


Number of shares as adjusted for purposes of computing diluted earnings per share		104,273			113,721			105,635			115,015


Basic earnings per share	$	.89			1.03			1.72			1.73

Diluted earnings per share	$	.88			1.00			1.71			1.67