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Segment Information Identifiable assets (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Assets	$ 2,031.2	$ 2,176.3
OSB
Assets	555.0	596.9
Siding
Assets	344.1	316.3
Engineered Wood Products
Assets	115.6	119.6
South America
Assets	85.5	92.7
Other
Assets	75.9	40.4
Unallocated Amount to Segment
Assets	$ 855.1	$ 1,010.4

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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