Plants Shutdowns, Asset Impairments, Restructurings And Other (Schedule Of Accrued Expenses Associated With Asset Impairments And Exit And Disposal Activities) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Restructuring Reserve [Roll Forward]
January 1, 2016	$ 1,867
Charges	2,503
Cash spent	(2,024)
Charges against assets	(556)
June 30, 2016	1,790
Severance
Restructuring Reserve [Roll Forward]
January 1, 2016	1,462
Charges	683
Cash spent	(707)
June 30, 2016	1,438
Long Lived Asset Impairment [Member]
Restructuring Reserve [Roll Forward]
January 1, 2016	0
Charges	339
Cash spent	0
Charges against assets	(339)
June 30, 2016	0
Other
Restructuring Reserve [Roll Forward]
January 1, 2016	405	[1]
Charges	1,481	[1]
Cash spent	(1,317)	[1]
Charges against assets	(217)
June 30, 2016	$ 352	[1]

[1] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjE3YTZmNjEzMDBlOTQ2NjFhOTE5YjMyNGRhYzQ1ZDU5fFRleHRTZWxlY3Rpb246QTIyM0IzQkE4RkY1NTk0RUIzMDExRERDMEE4ODBGQjcM}