CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Revenue:
Revenue	$ 255,575	$ 218,418
Cost of revenue:
Total cost of revenue	184,956	154,147
Gross profit	70,619	64,271
Operating expenses:
Selling, general and administrative	44,981	34,882
Amortization	6,298	4,566
Total operating expenses	51,279	39,448
Operating income	19,340	24,823
Other income (expense):
Net interest expense	(8,919)	(8,217)
Other, net	154	(69)
Total other income (expense), net	(8,765)	(8,286)
Income from continuing operations before income taxes	10,575	16,537
Income tax provision	(3,900)	(3,600)
Income from continuing operations	6,675	12,937
Income (loss) from discontinued operations, net of income taxes	153	(216)
Net income	6,828	12,721
Net income attributable to non-controlling interest	(161)	(296)
Net income attributable to Headwaters Incorporated	$ 6,667	$ 12,425
Basic and diluted income per share attributable to Headwaters Incorporated
From continuing operations (in dollars per share)	$ 0.09	$ 0.17
From discontinued operations (in dollars per share)	0.00	0.00
Basic and diluted income per share (in dollars per share)	$ 0.09	$ 0.17
Building products
Revenue:
Revenue	$ 135,041	$ 101,595
Cost of revenue:
Total cost of revenue	96,529	69,552
Construction materials
Revenue:
Revenue	119,991	116,248
Cost of revenue:
Total cost of revenue	88,264	84,277
Energy technology
Revenue:
Revenue	543	575
Cost of revenue:
Total cost of revenue	$ 163	$ 318