Commitments and Contingencies (Details)	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2012 USD ($)	Jun. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2010 USD ($)	Mar. 31, 2012 BRL	Nov. 20, 2009 USD ($)	Jun. 30, 2012 Domestic Line of Credit [Member] USD ($)	Dec. 31, 2011 Domestic Line of Credit [Member] USD ($)	Jun. 30, 2012 Foreign Line of Credit [Member] USD ($)	Dec. 31, 2011 Foreign Line of Credit [Member] USD ($)	Jun. 30, 2012 Brazil [Member] USD ($)	Dec. 31, 2011 Brazil [Member] USD ($)	Jun. 30, 2012 Europe [Member] USD ($)
Commitments and Contingencies (Textual) [Abstract]
Discounted receivables sold with limited recourse												$ 12,300,000	$ 10,100,000	$ 0
Outstanding letters of credit								3,300,000	3,500,000	10,900,000	9,500,000
Commitments and Contingencies (Additional Textual) [Abstract]
Discount rate	6.00%	6.00%	4.70%	6.00%
Noncancelable purchase commitments			13,700,000	14,600,000
Settlement agreement amount					7,000,000
Notice and administrative costs					250,000
Legal settlement reimbursement received from directors and officers insurance policy	1,200,000
Amount in controversy						1,000,000
Payment for settling the lawsuit under the caption Platinum				13,500,000
Environmental remediation	2,900,000	2,900,000	3,600,000	2,900,000
Remaining estimated costs associated with remediation activities	1,400,000	1,400,000		1,400,000
Term of Remediation Cost Cap insurance				30 years
Remediation Cost Cap insurance				100,000,000
Environmental Site Liability insurance	20,000,000	20,000,000		20,000,000
Indemnification of certain claims and losses							27,000,000
Other income net		1,300,000
Income loss from discontinued operation		400,000
Mutual releases in exchange for payment		$ 1,700,000