CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Revenue:
Light building products	$ 94,139	$ 84,778	$ 187,151	$ 161,466
Heavy construction materials	59,093	54,014	130,614	122,172
Energy technology	3,280	2,196	4,362	6,923
Total revenue	156,512	140,988	322,127	290,561
Cost of revenue:
Light building products	70,828	64,126	140,166	120,627
Heavy construction materials	45,669	43,396	100,434	96,980
Energy technology	1,464	1,055	2,083	3,298
Total cost of revenue	117,961	108,577	242,683	220,905
Gross profit	38,551	32,411	79,444	69,656
Operating expenses:
Amortization	5,485	5,288	10,591	10,224
Selling, general and administrative	32,517	28,239	60,744	54,516
Total operating expenses	38,002	33,527	71,335	64,740
Operating income (loss)	549	(1,116)	8,109	4,916
Other income (expense):
Net interest expense	(12,234)	(11,139)	(22,290)	(21,611)
Other, net	(32)	202	(20)	238
Total other income (expense), net	(12,266)	(10,937)	(22,310)	(21,373)
Loss from continuing operations before income taxes	(11,717)	(12,053)	(14,201)	(16,457)
Income tax benefit	2,210	1,770	2,560	2,300
Loss from continuing operations	(9,507)	(10,283)	(11,641)	(14,157)
Income (loss) from discontinued operations, net of income taxes	(575)	2,023	125	25
Net loss	(10,082)	(8,260)	(11,516)	(14,132)
Net income attributable to non-controlling interest	(236)	0	(230)	0
Net loss attributable to Headwaters Incorporated	$ (10,318)	$ (8,260)	$ (11,746)	$ (14,132)
Basic and diluted income (loss) per share attributable to Headwaters Incorporated:
From continuing operations (in dollars per share)	$ (0.13)	$ (0.14)	$ (0.16)	$ (0.21)
From discontinued operations (in dollars per share)	$ (0.01)	$ 0.03	$ 0.00	$ 0.00
Earnings (loss) per share, basic and diluted, total (in dollars per share)	$ (0.14)	$ (0.11)	$ (0.16)	$ (0.21)