Exit Activity Costs and Asset Impairments (Summary of Exit Activity Costs and Asset Impairments by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Inventory write-downs &/or asset impairment charges	$ 910	$ 108
Exit activity costs	788	111
Gain on sale leaseback		(6,799)
Net asset impairment and exit activity charges (gains)	1,698	(6,580)
Residential Products
Restructuring Cost and Reserve [Line Items]
Inventory write-downs &/or asset impairment charges	688	108
Exit activity costs	330	111
Gain on sale leaseback		(6,799)
Net asset impairment and exit activity charges (gains)	1,018	(6,580)
Industrial and Infrastructure Products
Restructuring Cost and Reserve [Line Items]
Inventory write-downs &/or asset impairment charges	222	0
Exit activity costs	458	0
Gain on sale leaseback		0
Net asset impairment and exit activity charges (gains)	$ 680	$ 0