Exit Activity Costs and Asset Impairments (Summary of Exit Activity Costs and Asset Impairments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Net asset impairment and exit activity charges (gains)	$ 3,292	$ 175	$ (3,288)	$ 604
Cost of sales
Restructuring Cost and Reserve [Line Items]
Net asset impairment and exit activity charges (gains)	3,173	(123)	3,361	202
Selling, general, and administrative expense
Restructuring Cost and Reserve [Line Items]
Net asset impairment and exit activity charges (gains)	$ 119	$ 298	$ (6,649)	$ 402