Restructuring and Cost Reduction Programs (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Summary of charges associated with restructuring programs by segments
Total Expected Charges	$ 147,558
Restructuring charges incurred	8,707	63,732	11,112
Cumulative Charges To Date	147,558
Electronic Materials [Member]
Summary of charges associated with restructuring programs by segments
Total Expected Charges	32,273
Restructuring charges incurred	1,438	14,273	403
Cumulative Charges To Date	32,273
Performance Coatings [Member]
Summary of charges associated with restructuring programs by segments
Total Expected Charges	37,192
Restructuring charges incurred	715	3,464	928
Cumulative Charges To Date	37,192
Color and Glass Performance Materials [Member]
Summary of charges associated with restructuring programs by segments
Total Expected Charges	58,824
Restructuring charges incurred	5,071	31,910	9,734
Cumulative Charges To Date	58,824
Polymer Additives [Member]
Summary of charges associated with restructuring programs by segments
Total Expected Charges	1,647
Restructuring charges incurred	8		22
Cumulative Charges To Date	1,647
Specialty Plastics [Member]
Summary of charges associated with restructuring programs by segments
Total Expected Charges	17,622
Restructuring charges incurred	1,475	14,085	27
Cumulative Charges To Date	17,622
Pharmaceuticals [Member]
Summary of charges associated with restructuring programs by segments
Total Expected Charges
Restructuring charges incurred
Cumulative Charges To Date