Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Segment Reporting

F14.1: Segment Reporting
	For the Three Months Ended						For the Six Months Ended
	June 30, 2016			June 30, 2015			June 30, 2016			June 30, 2015
	(in thousands)
Net Sales:
Wallboard	$	113,593		$	107,569		$	221,192		$	196,312
Other	3,522			3,427			7,408			6,860
Total net sales	117,115			110,996			228,600			203,172
Operating income:
Wallboard	23,216			4,418			45,620			12,196
Other	(8		)	(143		)	158			(19		)
Total operating income	23,208			4,275			45,778			12,177
Adjustments:
Interest Expense	(3,648		)	(4,184		)	(7,346		)	(8,405		)
Loss from equity investment	(240		)	(311		)	(435		)	(252		)
Other income/(expense), net	6			31			160			(417		)
Income/(loss) before (provision for)/benefit from income taxes	19,326			(189		)	38,157			3,103
Depreciation and Amortization:
Wallboard	11,566			12,847			23,240			25,682
Other	276			294			548			588
Total depreciation and amortization	$	11,842		$	13,141		$	23,788		$	26,270

Net Sales By Geographic Region

F14.2: Net Sales By Geographic Region
	For the Three Months Ended				For the Six Months Ended
	June 30, 2016		June 30, 2015		June 30, 2016		June 30, 2015
	(in thousands)
United States	$	107,694	$	101,095	$	211,336	$	184,751
Canada	9,421		9,901		17,264		18,421
Net sales	$	117,115	$	110,996	$	228,600	$	203,172

Assets By Geographic Region

F14.3: Assets By Geographic Region
	Fixed Assets				Total Assets
	June 30, 2016		December 31, 2015		June 30, 2016		December 31, 2015
	(in thousands)
United States	$	308,923	$	323,361	$	597,467	$	617,878
Canada	3,199		3,046		18,743		17,090
Total	$	312,122	$	326,407	$	616,210	$	634,968