STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2015

STOCK-BASED COMPENSATION

Schedule of stock compensation expense and related net tax benefit

	Three Months Ended June 30,				Six Months Ended June 30,
($ in thousands)	2015		2014		2015		2014
Compensation expense related to restricted stock awards	$	3,698	$	3,565	$	7,652	$	6,745
Net tax benefit recognized in equity for stock compensation plans	$	51	$	79	$	3,196	$	3,787

Schedule of time-based and performance-based restricted stock awards activity

	June 30, 2015
	Restricted Stock Awards
	Time-Based				Performance-Based
	Shares		Weighted Average Price		Shares		Weighted Average Price
Outstanding at beginning of period	751,020		$	30.61	518,553		$	29.64
Granted	430,078		40.07		149,284		39.95
Vested	(213,625	)	23.32		(144,445	)	22.05
Forfeited	(37,221	)	36.14		—		—
Outstanding at end of period	930,252		$	36.44	523,392		$	35.64