Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Results

A summary of our quarterly financial results for the years ended December 31, 2019 and 2018 is presented below (in thousands):

	Year Ended December 31, 2019
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenue	$	1,049,361	$	1,000,006	$	984,199	$	941,422
Operating income	110,407		81,913		113,460		57,637
Income from continuing operations	59,214		28,094		65,180		11,824
(Loss) income from discontinued operations, net of tax	(1,452)		1,350		(596)		(1,068)
Net income	57,762		29,444		64,584		10,756
Net income attributable to common stockholders	56,850		27,838		63,813		10,091
Net income per share attributable to common stockholders:
Basic	$	0.20	$	0.10	$	0.24	$	0.04
Diluted	$	0.20	$	0.10	$	0.23	$	0.04

	Year Ended December 31, 2018
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenue	$	988,369	$	984,376	$	970,283	$	923,928
Operating income	165,401		138,833		136,763		121,019
Income from continuing operations	90,449		92,565		70,879		87,028
(Loss) income from discontinued operations, net of tax	(1,207)		760		3,664		(1,478)
Net income	89,242		93,325		74,543		85,550
Net income attributable to common stockholders	87,880		92,246		73,005		84,400
Net income per share attributable to common stockholders:
Basic	$	0.32	$	0.33	$	0.26	$	0.31
Diluted	$	0.32	$	0.33	$	0.26	$	0.30