Income Taxes (NOL Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards	$ 32.8	$ 44.4
Foreign
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards subject to expiration	29.3
The Netherlands
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards	17.9	15.9
Portugal
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards	9.1	9.4
China
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards	2.3	0.2
Income Tax Holiday, Aggregate Dollar Amount	0	0.5	0
U.S. Federal
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards	66.0	107.2
Deferred tax assets, operating loss carryforwards subject to expiration	66.0
Deferred tax assets, tax deferred expense, compensation and benefits, share-based compensation cost	5.2
U.S. State and Local Jurisdictions
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards	96.0	107.1
Deferred tax assets, operating loss carryforwards subject to expiration	$ 96.0