Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2016

Selected Quarterly Financial Data [Abstract]

Consolidated Quarterly Results of Operations

The following table summarizes the unaudited consolidated quarterly results of operations for 2016: 

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	514,680	$	727,639	$	1,084,922	$	1,048,622
Operating income		90,979		63,495		158,666		139,157
Net income		45,017		27,720		88,881		85,703
Net income attributable to Waste Connections		44,842		27,489		88,617		85,592
Basic income per common share attributable to Waste Connections’ common shareholders		0.37		0.20		0.51		0.49
Diluted income per common share attributable to Waste Connections’ common shareholders		0.36		0.20		0.50		0.49

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 shareholders		0.42		0.46		(2.08)		0.42
Diluted income (loss) per common share attributable to Waste Connections’ common shareholders		0.42		0.46		(2.08)		0.42