Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2015

Selected Quarterly Financial Data [Abstract]

Consolidated Quarterly Results of Operations

The following table summarizes the unaudited consolidated quarterly results of operations for 2015: 

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	506,100	$	531,312	$	547,938	$	531,937
Operating income (loss)		101,865		110,024		(375,152)		101,730
Net income (loss)		52,081		57,641		(256,805)		52,388
Net income (loss) attributable to Waste Connections		51,824		57,360		(257,009)		52,061
Basic income (loss) per common share attributable to Waste Connections’ common stockholders		0.42		0.46		(2.08)		0.42
Diluted income (loss) per common share attributable to Waste Connections’ common stockholders		0.42		0.46		(2.08)		0.42

The following table summarizes the unaudited consolidated quarterly results of operations for 2014: 

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	481,710	$	524,693	$	546,551	$	526,213
Operating income		100,589		118,716		116,011		113,952
Net income		49,223		62,900		60,284		60,921
Net income attributable to Waste Connections		49,015		62,664		60,084		60,762
Basic income per common share attributable to Waste Connections’ common stockholders		0.40		0.50		0.48		0.49
Diluted income per common share attributable to Waste Connections’ common stockholders		0.39		0.50		0.48		0.49