Rationalization Charges Activity in Rationalization Plan Reserves (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Restructuring Reserve [Roll Forward]
Balance at December 31, 2012	$ 4,929
Total activity	(1,392)
Balance at September 30, 2013	3,537
Prior Years' Rationalization plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	1,155
Rationalization Plan Reserves Utilized	(2,817)
2013 Rationalization Plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	2,461
Rationalization Plan Reserves Utilized	(2,191)
Employee Severance and Benefits
Restructuring Reserve [Roll Forward]
Balance at December 31, 2012	3,231
Total activity	(1,275)
Balance at September 30, 2013	1,956
Employee Severance and Benefits | Prior Years' Rationalization plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	161
Rationalization Plan Reserves Utilized	(1,706)
Employee Severance and Benefits | 2013 Rationalization Plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	1,760
Rationalization Plan Reserves Utilized	(1,490)
Plant Exit Costs
Restructuring Reserve [Roll Forward]
Balance at December 31, 2012	1,698
Total activity	(117)
Balance at September 30, 2013	1,581
Plant Exit Costs | Prior Years' Rationalization plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	816
Rationalization Plan Reserves Utilized	(933)
Plant Exit Costs | 2013 Rationalization Plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	523
Rationalization Plan Reserves Utilized	(523)
Non-Cash Asset Write-Down
Restructuring Reserve [Roll Forward]
Balance at December 31, 2012	0
Total activity	0
Balance at September 30, 2013	0
Non-Cash Asset Write-Down | Prior Years' Rationalization plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	178
Rationalization Plan Reserves Utilized	(178)
Non-Cash Asset Write-Down | 2013 Rationalization Plans
Restructuring Reserve [Roll Forward]
Rationalization Plan Reserves Established	178
Rationalization Plan Reserves Utilized	$ (178)