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v3.20.1

Revenue (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 585.0 | $ 582.0
Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 212.0 | 219.0
OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 220.0 | 208.0
EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 99.0 | 90.0
South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 36.0 | 45.0
Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 18.0 | 21.0
Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | (1.0)
SmartSide Strand siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 194.0 | 193.0
SmartSide Strand siding [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 191.0 | 187.0
SmartSide Strand siding [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Strand siding [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Strand siding [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 3.0 | 6.0
SmartSide Strand siding [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Strand siding [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Fiber siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 19.0 | 26.0
SmartSide Fiber siding [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 19.0 | 26.0
SmartSide Fiber siding [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Fiber siding [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Fiber siding [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Fiber siding [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
SmartSide Fiber siding [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
CanExel siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 11.0 | 17.0
CanExel siding [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
CanExel siding [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
CanExel siding [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
CanExel siding [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
CanExel siding [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 11.0 | 17.0
CanExel siding [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
OSB - value-add [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 136.0 | 138.0
OSB - value-add [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
OSB - value-add [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 103.0 | 98.0
OSB - value-add [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1.0 | 2.0
OSB - value-add [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 32.0 | 38.0
OSB - value-add [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
OSB - value-add [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LVL [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 36.0 | 31.0
LVL [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LVL [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LVL [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 36.0 | 31.0
LVL [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LVL [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LVL [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LSL [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 12.0 | 12.0
LSL [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LSL [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LSL [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 12.0 | 13.0
LSL [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LSL [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
LSL [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | (1.0)
I Joist [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 37.0 | 26.0
I Joist [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
I Joist [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
I Joist [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 37.0 | 26.0
I Joist [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
I Joist [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
I Joist [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
OSB - commodity [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 113.0 | 112.0
OSB - commodity [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 3.0
OSB - commodity [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 113.0 | 107.0
OSB - commodity [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 2.0
OSB - commodity [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
OSB - commodity [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
OSB - commodity [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Plywood [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 6.0 | 7.0
Plywood [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Plywood [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Plywood [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 6.0 | 7.0
Plywood [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Plywood [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Plywood [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 21.0 |
Other [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 2.0 |
Other [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 4.0 |
Other [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7.0 |
Other [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1.0 |
Other [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7.0 |
Other [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 |
Commodity [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 119.0 | 119.0
Commodity [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 3.0
Commodity [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 113.0 | 107.0
Commodity [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 6.0 | 9.0
Commodity [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Commodity [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Commodity [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0.0 | 0.0
Value-add [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 445.0 | 443.0
Value-add [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 210.0 | 213.0
Value-add [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 103.0 | 98.0
Value-add [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 86.0 | 72.0
Value-add [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 35.0 | 44.0
Value-add [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 11.0 | 17.0
Value-add [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 0.0 | (1.0)
Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales |  | 20.0
Other [Member] | Siding [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales |  | 3.0
Other [Member] | OSB [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales |  | 3.0
Other [Member] | EWP [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales |  | 9.0
Other [Member] | South America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales |  | 1.0
Other [Member] | Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales |  | 4.0
Other [Member] | Intersegment [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales |  | $ 0.0

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