STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2012

STOCK-BASED COMPENSATION [Abstract]

Summary of total shares granted, forfeited and delivered

Award Activity:	Three Months Ended March 31, 2012
	Shares	Weighted Average Grant Date Fair Value
Unvested at beginning of period	235,929	$        38.90
Granted	92,207	48.75
Forfeited	-	-
Vested	(70,877)	41.27
Unvested at end of period	257,259	$        41.77