Consolidated Statement of Income (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net sales	$ 350.6	$ 322.8	$ 1,044.7	$ 1,067.3
Operating costs and expenses:
Cost of sales	322.0	289.1	953.3	903.4
Depreciation and amortization	19.6	18.7	61.2	61.5
Selling and administrative	26.5	27.7	82.9	87.2
(Gain) loss on sale or impairment of long-lived assets, net	65.0	0.9	73.0	2.1
Other operating credits and charges, net	(9.8)	2.3	(11.2)	2.8
Total operating costs and expenses	423.3	338.7	1,159.2	1,057.0
Income (loss) from operations	(72.7)	(15.9)	(114.5)	10.3
Non-operating income (expense):
Equity Investment, Other than Temporary Impairment	0	(16.9)	0	(16.9)
Interest expense, net of capitalized interest	(14.2)	(15.3)	(42.6)	(49.8)
Investment income	16.7	4.9	24.2	15.1
Other non-operating items	(4.0)	(0.4)	(1.6)	1.0
Total non-operating expense	(1.5)	(27.7)	(20.0)	(50.6)
Income (loss) from continuing operations before taxes and equity in losses of unconsolidated affiliates	(74.2)	(43.6)	(134.5)	(40.3)
Provision (benefit) for income taxes	(20.9)	(16.4)	(36.1)	(14.0)
Equity in loss (income) of unconsolidated affiliates	6.0	3.7	16.7	3.5
Income (loss) from continuing operations	(59.3)	(30.9)	(115.1)	(29.8)
Loss from discontinued operations before taxes	(10.3)	(1.3)	(14.4)	(3.6)
Benefit for income taxes	(4.0)	(0.5)	(5.6)	(1.4)
Loss from discontinued operations	(6.3)	(0.8)	(8.8)	(2.2)
Net income (loss)	(65.6)	(31.7)	(123.9)	(32.0)
Less: Net income (loss) attributed to non-controlling interest	0	0.3	0.2	0.2
Net income (loss) attributed to Louisiana-Pacific Corporation	(65.6)	(32.0)	(124.1)	(32.2)
Net income (loss) per share of common stock (basic):
Income (loss) from continuing operations	$ (0.44)	$ (0.23)	$ (0.87)	$ (0.23)
Loss from discontinued operations	$ (0.05)	$ (0.01)	$ (0.07)	$ (0.02)
Net income (loss) per share	$ (0.49)	$ (0.24)	$ (0.94)	$ (0.25)
Net income (loss) per share of common stock (diluted):
Income (loss) from continuing operations	$ (0.44)	$ (0.23)	$ (0.87)	$ (0.23)
Loss from discontinued operations diluted	$ (0.05)	$ (0.01)	$ (0.07)	$ (0.02)
Net income (loss) per share diluted	$ (0.49)	$ (0.24)	$ (0.94)	$ (0.25)
Average shares of stock outstanding - basic	134.5	131.1	132.4	128.5
Average shares of stock outstanding - diluted	134.5	131.1	132.4	128.5
Amounts attributed to LP Corporation common shareholders
Income (loss) from continuing operations, net of tax	(59.3)	(31.2)	(115.3)	(30.0)
Loss from discontinued operations, net of tax	(6.3)	(0.8)	(8.8)	(2.2)
Net loss attributed to Louisiana-Pacific Corporation	$ (65.6)	$ (32.0)	$ (124.1)	$ (32.2)