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v3.8.0.1

Selected Segment Data (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Segment Reporting Information [Line Items] |  |
Net sales: | $ 691.3 | $ 610.9
Operating profit (loss): | 127.2 | 75.4
Other operating credits and charges, net | 0.4 | (3.4)
Gain (loss) on sale or impairment of long-lived assets, net | 0.6 | (0.6)
General corporate and other expenses, net | (27.3) | (27.8)
Interest expense, net of capitalized interest | (4.4) | (5.0)
Investment income | 3.2 | 2.0
Other non-operating items | (1.4) | (1.9)
Income before taxes | 124.6 | 70.5
Provision for income taxes | 29.7 | 15.5
Income from continuing operations | 94.9 | 55.0
Siding [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales: | 227.0 | 214.0
Operating profit (loss): | 45.3 | 40.7
OSB [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales: | 313.3 | 268.4
Operating profit (loss): | 97.4 | 60.8
EWP [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales: | 100.7 | 82.1
Operating profit (loss): | 2.8 | 0.8
South America [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales: | 42.4 | 37.8
Operating profit (loss): | 8.9 | 5.1
Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales: | 7.9 | 8.7
Operating profit (loss): | (0.9) | (0.2)
Intersegment [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales: | $ 0.0 | $ (0.1)

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