Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share, Basic, Other Disclosures [Abstract]

Reconciliation of Number of Common Shares Used in Calculating Basic and Diluted EPS

The following table reconciles the number of shares used in calculating the basic and diluted earnings per share for the three months ended March 31:

(Dollars in thousands, except per-share amounts)	2013		2012
Net income	$	15,487	$	5,051
Basic weighted-average shares outstanding	40,435,608		40,261,149
Incremental shares due to:
Performance shares	95,523		51,554
Restricted stock units	63,607		17,885
Stock options	18,236		34,404
Diluted weighted-average shares outstanding	40,612,974		40,364,992
Basic net income per share	$	0.38	$	0.13
Diluted net income per share	$	0.38	$	0.13
Anti-dilutive shares excluded from the calculation:
Performance shares	64,905		162,795
Restricted stock units	4,264		18,225
Total anti-dilutive shares excluded from the calculation	69,169		181,020