Segments (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following tables present net sales and gross profit for each reportable segment (in thousands):

	Three Months Ended June 30,
	2017					2016
	Net Sales			Gross Profit		Net Sales			Gross Profit
SBP	$	460,086		$	130,729	$	270,147		$	79,335
MI	69,144			18,803		—			—
Consolidated	$	529,230		$	149,532	$	270,147		$	79,335
Total gross profit	$	149,532				$	79,335
Total operating expenses	(132,629		)			(76,306		)
Interest expense	(14,876		)			(8,478		)
Other income, net	95					4
Income (loss) before income taxes	$	2,122				$	(5,445	)

	Six Months Ended June 30,
	2017					2016
	Net Sales			Gross Profit		Net Sales			Gross Profit
SBP	$	878,549		$	253,155	$	514,752		$	151,580
MI	130,138			36,288		—			—
Consolidated	$	1,008,687		$	289,443	$	514,752		$	151,580
Total gross profit	$	289,443				$	151,580
Total operating expenses	(264,087		)			(142,690		)
Interest expense	(30,125		)			(16,514		)
Other income, net	13,384					14
Income (loss) before income taxes	$	8,615				$	(7,610	)

Schedule of Segment Reporting Information, by Segment

The following table provides information about the Company by geographic areas (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
United States	$	470,079	$	270,147	$	897,020	$	514,752
Canada	59,151		—		111,667		—
Total	$	529,230	$	270,147	$	1,008,687	$	514,752

Schedule of Revenue from External Customers by Products and Services

(in thousands):

	Three Months Ended June 30,										Change
	2017					2016					$			%
SBP Segment
Wallboard	$	181,062		39.4	%	$	117,507		43.5	%	$	63,555		54.1	%
Suspended ceiling systems	83,271			18.1	%	29,679			11.0	%	53,592			180.6	%
Metal framing	72,404			15.7	%	48,485			17.9	%	23,919			49.3	%
Other	123,349			26.8	%	74,476			27.6	%	48,873			65.6	%
Total SBP net sales	$	460,086		100.0	%	$	270,147		100.0	%	$	189,939		70.3	%
MI Segment
Commercial and industrial insulation	$	49,730		71.9	%	$	—		—		$	49,730		—	%
Non-insulation products	19,414			28.1	%	—			—		19,414			—	%
Total MI net sales	$	69,144		100.0	%	$	—		—		$	69,144		—	%
Total net sales	$	529,230				$	270,147
Gross profit - SBP	$	130,729				$	79,335				$	51,394		64.8	%
Gross profit - MI	18,803					—					18,803			—	%
Total gross profit	$	149,532				$	79,335				$	70,197		88.5	%
Gross margin - SBP	28.4		%			29.4		%			(1.0		)%
Gross margin - MI	27.2		%			—		%			—		%
Total gross margin	28.3		%			29.4		%			(1.1		)%

	Six Months Ended June 30,										Change
	2017					2016					$			%
SBP Segment
Wallboard	$	349,576		39.8	%	$	226,441		44.0	%	$	123,135		54.4	%
Suspended ceiling systems	155,984			17.8	%	55,835			10.8	%	100,149			179.4	%
Metal framing	141,065			16.1	%	91,465			17.8	%	49,600			54.2	%
Other	231,924			26.3	%	141,011			27.4	%	90,913			64.5	%
Total SBP net sales	$	878,549		100.0	%	$	514,752		100.0	%	$	363,797		70.7	%
MI Segment
Commercial and industrial insulation	$	95,041		73.0	%	$	—		—		$	95,041		—	%
Non-insulation products	35,097			27.0	%	—			—		35,097			—	%
Total MI net sales	$	130,138		100.0	%	$	—		—		$	130,138		—	%
Total net sales	$	1,008,687				$	514,752
Gross profit - SBP	$	253,155				$	151,580				$	101,575		67.0	%
Gross profit - MI	36,288					—					36,288			—	%
Total gross profit	$	289,443				$	151,580				$	137,863		91.0	%
Gross margin - SBP	28.8		%			29.4		%			(0.6		)%
Gross margin - MI	27.9		%			—		%			—		%
Total gross margin	28.7		%			29.4		%			(0.7		)%