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Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2022

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The following tables present our 2022, 2021 and 2020 quarterly revenue and income from operations by segment adjusted to conform to our 2022 continuing operations presentation:

			2022 Quarters Ended (unaudited)
Revenues			March 31						June 30						September 30						December 31						Total
E-Infrastructure Solutions			$	168,927					$	233,548					$	255,530					$	247,272					$	905,277
Transportation Solutions			116,141						142,640						157,224						126,545						542,550
Building Solutions			80,894						85,639						80,286						74,790						321,609
Revenues			$	365,962					$	461,827					$	493,040					$	448,607					$	1,769,436
Operating Income (Loss)
E-Infrastructure Solutions			$	21,285					$	32,824					$	37,533					$	29,811					$	121,453
Transportation Solutions			4,443						7,410						9,700						5,070						26,623
Building Solutions			9,358						9,751						9,324						8,260						36,693
Segment Operating Income			35,086						49,985						56,557						43,141						184,769
Corporate			(5,468)						(5,766)						(7,005)						(5,833)						(24,072)
Acquisition related costs			(255)						(230)						(77)						(265)						(827)
Operating Income			$	29,363					$	43,989					$	49,475					$	37,043					$	159,870

			2021 Quarters Ended (unaudited)
Revenues			March 31						June 30						September 30						December 31						Total
E-Infrastructure Solutions			$	96,572					$	123,743					$	121,286					$	127,183					$	468,784
Transportation Solutions			119,097						160,017						199,559						149,517						628,190
Building Solutions			71,690						74,769						92,266						78,675						317,400
Revenues			$	287,359					$	358,529					$	413,111					$	355,375					$	1,414,374
Operating Income (Loss)
E-Infrastructure Solutions			$	17,812					$	24,714					$	19,218					$	18,734					$	80,478
Transportation Solutions			2,300						4,414						8,936						4,238						19,888
Building Solutions			7,361						6,790						9,238						9,175						32,564
Segment Operating Income			27,473						35,918						37,392						32,147						132,930
Corporate			(5,044)						(3,404)						(5,382)						(8,212)						(22,042)
Acquisition related costs			—						—						—						(3,877)						(3,877)
Operating Income			$	22,429					$	32,514					$	32,010					$	20,058					$	107,011

			2020 Quarters Ended (unaudited)
Revenues			March 31						June 30						September 30						December 31						Total
E-Infrastructure Solutions			$	78,574					$	103,310					$	114,961					$	100,408					$	397,253
Transportation Solutions			108,924						168,413						143,512						132,301						553,150
Building Solutions			64,828						73,951						67,419						70,137						276,335
Revenues			$	252,326					$	345,674					$	325,892					$	302,846					$	1,226,738
Operating Income (Loss)
E-Infrastructure Solutions			$	13,630					$	23,573					$	22,416					$	16,903					$	76,522
Transportation Solutions			(1,387)						6,739						3,714						2,932						11,998
Building Solutions			7,438						8,950						7,687						6,366						30,441
Segment Operating Income			19,681						39,262						33,817						26,201						118,961
Corporate			(7,195)						(6,589)						(5,529)						(6,007)						(25,320)
Acquisition related costs			(473)						(139)						(401)						(13)						(1,026)
Operating Income			$	12,013					$	32,534					$	27,887					$	20,181					$	92,615

The following tables summarize the unaudited quarterly results of continuing operations for 2022, 2021 and 2020:

			2022 Quarters Ended (unaudited)
			March 31						June 30						September 30						December 31
Revenues			$	365,962					$	461,827					$	493,040					$	448,607
Gross profit			$	55,149					$	71,008					$	79,444					$	68,966
Income before income taxes			$	24,721					$	39,540					$	44,505					$	31,398
Net income from Continuing Operations			$	17,672					$	28,114					$	30,698					$	20,233
Net income per share from Continuing Operations:
Basic			$	0.59					$	0.93					$	1.01					$	0.67
Diluted			$	0.59					$	0.92					$	1.01					$	0.66

			2021 Quarters Ended (unaudited)
			March 31						June 30						September 30						December 31
Revenues			$	287,359					$	358,529					$	413,111					$	355,375
Gross profit			$	42,479					$	53,663					$	54,878					$	52,512
Income before income taxes			$	16,117					$	28,206					$	28,091					$	16,395
Net income from Continuing Operations			$	10,280					$	19,922					$	19,985					$	11,270
Net income per share from Continuing Operations:
Basic			$	0.36					$	0.70					$	0.70					$	0.39
Diluted			$	0.36					$	0.69					$	0.68					$	0.38

			2020 Quarters Ended (unaudited)
			March 31						June 30						September 30						December 31
Revenues			$	252,326					$	345,674					$	325,892					$	302,846
Gross profit			$	33,535					$	56,831					$	46,297					$	42,967
Income before income taxes			$	4,306					$	24,999					$	20,757					$	13,069
Net income from Continuing Operations			$	2,976					$	17,649					$	13,944					$	8,554
Net income per share from Continuing Operations:
Basic			$	0.11					$	0.63					$	0.50					$	0.31
Diluted			$	0.11					$	0.63					$	0.49					$	0.29

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- References

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- Definition

Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126900988&loc=d3e1280-108306

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