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Restructuring (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013 employees
Restructuring Cost and Reserve [Line Items]
Reduction in employees		200
Severance and social costs	$ 2.0	$ 26.3
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Expected costs		4.0
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Expected costs		$ 6.0

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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