Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2015

Selected Quarterly Financial Data [Abstract]

Selected Quarterly Financial Data (Unaudited)

17.SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) 

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

During the third quarter of 2015, the Company recorded impairment charges of $411,786 associated with goodwill and $38,300 associated with indefinite-lived intangible assets in its E&P segment. The Company also recorded impairment charges of $63,928 related to property and equipment at certain E&P operating locations during the third quarter of 2015.  The aforementioned impairment charges were partially offset by $20,642 of adjustments recorded during the third quarter of 2015 to reduce the fair value of amounts payable under liability-classified contingent consideration arrangements associated with the acquisition of an E&P business in 2014.  

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

During the third quarter of 2014, the Company recorded an $8,445 impairment charge for property and equipment at an E&P disposal facility as a result of projected operating losses resulting from the migration of the majority of the facility’s customers to a new E&P facility that the Company owns and operates.