Curtailment of Manufacturing Facility (Details) - Curtailment of LVL Production at Roxboro, NC Facility [Member] $ in Millions	3 Months Ended
Dec. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation	$ 55.0
Loss on sale and curtailment of facilities [Member]
Restructuring Cost and Reserve [Line Items]
CIP and spare parts write-offs	2.6
Severance-related expenses	$ 0.2

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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