Income Taxes - Income Tax Provision/(Benefit) and Deferred Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2013	Dec. 31, 2012
Income Taxes (Textual) [Abstract]
Deferred state income tax provision, Impact of state income tax law change				$ (3.1)
Undistributed Earnings of Foreign Subsidiaries				32
Deferred income tax assets benefits percentage			100.00%
Deferred income tax assets related to state income tax jurisdictions			2.1
Deferred income tax assets related to foreign income tax jurisdictions			33.2
Valuation allowance against deferred tax assets related to state jurisdictions			1.8
Valuation allowance against deferred tax assets related to foreign jurisdictions			15.9
Cash payments related to the deferred income tax liabilities associated with the 2004 Convertible Debt Securities	6	6		29
Payment period of deferred income tax liabilities associated with Convertible Debt				5 years
2012 R&D tax credits recorded in 2013			6
Incremental R&D tax credits related to Prior Periods			5
Reduction of Certain Tax Allowances			6
Domestic Country
Income Taxes (Textual) [Abstract]
Operating loss carryforward			50	50
Operating Loss Carryforwards, Expiration Dates				begin to expire in 2019 and can be utilized through 2030
Interest rate used for tax deduction				9.09%
State And Local Jurisdiction
Income Taxes (Textual) [Abstract]
Operating loss carryforward			50	54
Operating Loss Carryforwards, Expiration Dates				will expire beginning in 2014 and end in 2034
Foreign Country
Income Taxes (Textual) [Abstract]
Operating loss carryforward			$ 90	$ 89
Operating Loss Carryforwards, Expiration Dates				2016