Stock Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation Expense and Related Tax Benefits

Stock-based compensation expense and related tax benefits were as follows:

	Three Months Ended March 31,
(DOLLARS IN THOUSANDS)	2013			2012
Equity-based awards	$	4,523		$	2,990
Liability-based awards		1,451			931
Total stock-based compensation expense		5,974			3,921
Less: tax benefit		(1,907	)		(1,263	)
Total stock-based compensation expense, after tax	$	4,067		$	2,658