NET INCOME PER SHARE INFORMATION (Tables)

9 Months Ended

Sep. 30, 2012

Basic and Diluted Net Income Per Common Share

The following table sets forth the calculation of the numerator and denominator used in the computation of basic and diluted net income per common share attributable to the Company’s common stockholders for the three and nine months ended September 30, 2012 and 2011:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
Numerator:
Net income attributable to Waste Connections for basic and diluted earnings per share	$	49,385	$	46,329	$	123,104	$	127,281
Denominator:
Basic shares outstanding		123,031,259		112,327,410		120,571,106		113,130,314
Dilutive effect of stock options and warrants		303,293		407,555		319,457		445,117
Dilutive effect of restricted stock units		331,037		457,919		308,338		403,734
Diluted shares outstanding		123,665,589		113,192,884		121,198,901		113,979,165