Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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Period Type:	instant

- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

+ Details

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- Definition

Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer.

+ References

+ Details

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- Details

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- Details

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Contingencies (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2012
Loss Contingencies [Line Items]
Loss contingency accrual	$ 16.1	$ 16.8
Current portion of contingency reserves	(3.4)	(1.3)
Long-term portion of contingency reserves	12.7	15.5
Reserve for Environmental Costs [Member]
Loss Contingencies [Line Items]
Loss contingency accrual	15.9	16.6	$ 13.6	$ 14.9
Hardboard Siding Reserves
Loss Contingencies [Line Items]
Loss contingency accrual	$ 0.2	$ 0.2