Acquisitions (Purchase Price Allocations Related To Acquisitions) (Details) - acquisition	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Distributor and Installer of Geosynthetic Products and Surface-critical Bent Tube Components \| Residential Products and Furniture Products
Business Acquisition [Line Items]
Number of Acquisitions	2
Fabricated Tubing and Pipe Assemblies \| Specialized Products
Business Acquisition [Line Items]
Number of Acquisitions		1

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.

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