Restructuring (Narrative) (Details) (USD $)	3 Months Ended			12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Restructuring charge	$ 3,556,000	$ 160,000	$ 14,747,000	$ 18,463,000	$ 0	$ 6,676,000
Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charge				16,500,000
Other Restructuring Costs				1,900,000
Prior Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charge				2,000,000
2012 Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Reduction of workforce by employees				200
Reduction of global workforce				2.00%
Severence and Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charge				14,600,000
Severence and Other [Member] | Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charge				14,600,000
From closure of product lines [Member] | Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Inventory write-down				1,600,000
Pension Curtailment [Member] | Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charge				$ 500,000