Exit Activity Costs and Asset Impairments (Narrative) (Details)	3 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($) product_line facility
Restructuring and Related Activities [Abstract]
Inventory write-downs &/or asset impairment charges	$ 910,000	$ 108,000
Exit activity costs	$ 788,000	$ 111,000
Number of facilities sold | facility		1
Number of product lines eliminated | product_line		1
Asset impairment charges		$ 108,000
Gain from sale leaseback		$ 6,799,000