Quarterly Unaudited Financial Data (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Unaudited Financial Information

GIBRALTAR INDUSTRIES, INC.

QUARTERLY UNAUDITED FINANCIAL DATA

(in thousands, except per share data)

	2017 Quarters Ended
	March 31		June 30			September 30		December 31		Total
Net sales	$	206,605	$	247,627		$	274,574	$	258,112	$	986,918
Gross profit	$	49,255	$	61,825		$	68,735	$	56,729	$	236,544
Income from operations	$	9,679	$	24,930		$	35,693	$	22,547	$	92,849
Interest expense	$	3,576	$	3,550		$	3,486	$	3,420	$	14,032
Net income from continuing operations	$	3,996	$	13,174		$	20,619	$	25,176	$	62,965
Net loss from discontinued operations	$	—	$	(405	)	$	—	$	—	$	(405	)
Total net income	$	3,996	$	12,769		$	20,619	$	25,176	$	62,560
Income per share from continuing operations:
Basic	$	0.13	$	0.41		$	0.65	$	0.79	$	1.98
Diluted	$	0.12	$	0.41		$	0.64	$	0.78	$	1.95
Loss per share from discontinued operations:
Basic	$	—	$	(0.01	)	$	—	$	—	$	(0.01	)
Diluted	$	—	$	(0.01	)	$	—	$	—	$	(0.01	)

	2016 Quarters Ended
	March 31		June 30		September 30		December 31			Total
Net sales	$	237,671	$	265,738	$	272,734	$	231,838		$	1,007,981
Gross profit	$	54,150	$	68,843	$	67,887	$	53,882		$	244,762
Income from operations	$	17,761	$	28,576	$	26,522	$	629		$	73,488
Interest expense	$	3,691	$	3,666	$	3,625	$	3,595		$	14,577
Net income (loss) from continuing operations	$	9,029	$	18,612	$	13,786	$	(7,708	)	$	33,719
Net loss from discontinued operations	$	—	$	—	$	—	$	(44	)	$	(44	)
Total net income (loss)	$	9,029	$	18,612	$	13,786	$	(7,752	)	$	33,675
Income (loss) per share from continuing operations:
Basic	$	0.29	$	0.59	$	0.44	$	(0.24	)	$	1.07
Diluted	$	0.28	$	0.58	$	0.43	$	(0.24	)	$	1.05
Loss per share from discontinued operations:
Basic	$	—	$	—	$	—	$	—		$	—
Diluted	$	—	$	—	$	—	$	—		$	—