Principal Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2012

Principal Accounting Policies [Abstract]

Calculation Of Diluted Earnings Per Share

(Dollars in thousands except per share data)	Three Months Ended March 31,
	2012		2011
Numerator:
Net income	$	25,646	$	6,922
Denominator:
Weighted-average common shares outstanding		55,703,722		55,039,751
Stock options and nonvested stock		554,061		685,479
		56,257,783		55,725,230
Diluted Earnings per Share:	$	0.46	$	0.12
Anti-dilutive securities excluded from the
computation of diluted EPS		1,932,324		1,992,478