Net Income Per Share Information (Tables)

12 Months Ended

Dec. 31, 2013

Net Income Per Share Information [Abstract]

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 years ended December 31, 2013, 2012 and 2011: 

	Years Ended December 31,
	2013		2012		2011
Numerator:
Net income attributable to Waste Connections for basic and diluted earnings per share	$	195,655	$	159,093	$	165,239
Denominator:
Basic shares outstanding		123,597,540		121,172,381		112,720,444
Dilutive effect of stock options and warrants		186,006		308,681		425,085
Dilutive effect of restricted stock units		381,506		343,287		437,957
Diluted shares outstanding		124,165,052		121,824,349		113,583,486