Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2012

Net Income Per Common Share

Schedule of reconciliation of the denominator of the basic net income per common share computation to the denominator of the diluted net income per common share computation

	Three months ended		Nine months ended
	September 30,		September 30,
	2012	2011	2012	2011
Weighted average shares used for the basic net income per share computation	132,764,877	126,376,201	132,731,984	123,921,317
Incremental shares from share-based compensation	166,936	206,408	113,986	91,825
Adjusted weighted average shares used for diluted net income per share computation	132,931,813	126,582,609	132,845,970	124,013,142
Unvested shares from share-based compensation that were anti-dilutive	600	262,076	17,200	12,510