Stock Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based 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)	2015			2014
Equity-based awards	$	5,387		$	4,695
Liability-based awards	1,907			1,245
Total stock-based compensation expense	7,294			5,940
Less: tax benefit	(2,187		)	(1,726		)
Total stock-based compensation expense, after tax	$	5,107		$	4,214