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Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (unaudited)

Quarterly Financial Data (unaudited)



	Quarter Ended
	March 31				June 30				September 30				December 31
2018
Revenues	$	497,774			$	512,098			$	513,012			$	504,993
Operating expenses
Direct cost of revenues	321,117				330,318				336,477				340,162
Selling, general and administrative expenses	112,128				117,897				117,448				118,163
Amortization of other intangible assets	2,270				2,052				1,975				1,865
	435,515				450,267				455,900				460,190
Operating income	62,259				61,831				57,112				44,803
Interest income and other	(1,800		)		2,474				1,400				2,903
Interest expense	(6,244		)		(6,583		)		(7,246		)		(7,076		)
Gain on sale of business	—				—				13,031				—
Loss on early extinguishment of debt	—				—				—				(9,072		)
Income before income tax provision	54,215				57,722				64,297				31,558
Income tax provision	15,270				14,113				19,964				7,834
Net income	$	38,945			$	43,609			$	44,333			$	23,724
Earnings per common share — basic ⁽¹⁾	$	1.06			$	1.18			$	1.19			$	0.63
Earnings per common share — diluted ⁽¹⁾	$	1.04			$	1.14			$	1.14			$	0.61
Weighted average common shares outstanding
Basic	36,700				37,001				37,318				37,368
Diluted	37,612				38,271				38,756				38,628



	Quarter Ended
	March 31				June 30				September 30				December 31
2017
Revenues	$	446,344			$	444,715			$	448,962			$	467,711
Operating expenses
Direct cost of revenues	309,072				304,071				294,851				307,566
Selling, general and administrative expenses	107,690				108,119				104,161				112,043
Special charges	—				30,074				—				10,811
Amortization of other intangible assets	2,493				2,422				2,882				2,766
	419,255				444,686				401,894				433,186
Operating income	27,089				29				47,068				34,525
Interest income and other	605				1,592				1,103				452
Interest expense	(5,801		)		(6,250		)		(6,760		)		(6,547		)
Income before income tax provision (benefit)	21,893				(4,629		)		41,411				28,430
Income tax provision (benefit)	7,877				527				9,197				(38,458		)
Net income	$	14,016			$	(5,156	)		$	32,214			$	66,888
Earnings per common share — basic ⁽¹⁾	$	0.35			$	(0.13	)		$	0.86			$	1.81
Earnings per common share — diluted ⁽¹⁾	$	0.34			$	(0.13	)		$	0.85			$	1.78
Weighted average common shares outstanding
Basic	40,527				39,555				37,431				36,906
Diluted	41,245				39,555				37,746				37,643


⁽¹⁾	The sum of the quarterly earnings per share amounts may not equal the annual amounts due to changes in the weighted average number of common shares outstanding during each quarterly period.