Restructuring (Narrative) (Details) (USD $)	3 Months Ended			12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring charge	$ 160,000	$ 3,556,000	$ 14,747,000	$ 18,500,000	$ 18,463,000	$ 0
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				(100,000)
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