Principal Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2011

Principal Accounting Policies [Abstract]

Calculation Of Numerator And Denominator In Earnings Per Share

(Dollars in thousands except per share data)	Three Months Ended September 30,					Nine Months Ended September 30,
	2011		2010			2011		2010
Numerator:
Net income (loss) applicable to common
shareholders, as reported	$	29,128	$	(8,228	)	$	65,472	$	1,598
Denominator:
Weighted-average common shares outstanding		55,535,074		54,286,677			55,331,170		51,780,610
Stock options and nonvested stock		582,260		--			722,889		630,236
		56,117,334		54,286,677			56,054,059		52,410,846
Diluted earnings (loss) per share	$	0.52	$	(0.15	)	$	1.17	$	0.03
Antidilutive securities excluded from the
computation of diluted EPS		2,070,672		3,582,653			1,838,289		1,707,718