EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2014 and 2013.

	Three Months Ended		Six Months Ended
	June 30,		June 30,
(000's omitted, except per share data)	2014	2013	2014	2013
Net income	$23,676	$21,122	$45,850	$41,363
Income attributable to unvested stock-based compensation awards	(123)	(114)	(221)	(189)
Income available to common shareholders	$23,553	$21,008	$45,629	$41,174
Weighted-average common shares outstanding – basic	40,574	39,914	40,517	39,809
Basic earnings per share	$0.58	$0.53	$1.13	$1.03
Net income	$23,676	$21,122	$45,850	$41,363
Income attributable to unvested stock-based compensation awards	(123)	(114)	(221)	(189)
Income available to common shareholders	$23,553	$21,008	$45,629	$41,174
Weighted-average common shares outstanding – basic	40,574	39,914	40,517	39,809
Assumed exercise of stock options	484	427	497	445
Weighted-average common shares outstanding – diluted	41,058	40,341	41,014	40,254
Diluted earnings per share	$0.57	$0.52	$1.11	$1.02