EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2014

EARNINGS PER SHARE [Abstract]

Reconciliation of Basic to Diluted Earnings per Share

The following is a reconciliation of basic to diluted earnings per share for the three and nine months ended September 30, 2014 and 2013:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
(000's omitted, except per share data)	2014	2013	2014	2013
Net income	$22,371	$21,989	$68,220	$63,352
Income attributable to unvested stock-based compensation awards	(115)	(121)	(337)	(315)
Income available to common shareholders	22,256	21,868	67,883	63,037
Weighted-average common shares outstanding – basic	40,596	40,121	40,543	39,914
Basic earnings per share	$0.55	$0.55	$1.67	$1.58
Net income	$22,371	$21,989	$68,220	$63,352
Income attributable to unvested stock-based compensation awards	(115)	(121)	(337)	(315)
Income available to common shareholders	22,256	21,868	67,883	63,037
Weighted-average common shares outstanding – basic	40,596	40,121	40,543	39,914
Assumed exercise of stock options	453	506	482	474
Weighted-average common shares outstanding – diluted	41,049	40,627	41,025	40,388
Diluted earnings per share	$0.54	$0.54	$1.65	$1.56