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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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The total number of new claims filed pertaining to a loss contingency during the period.

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Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

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Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended				0 Months Ended
	Dec. 31, 2014 lawsuits	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2008	Jul. 17, 2014 lawsuits	Oct. 08, 2014 lawsuits	Dec. 08, 2011	Mar. 29, 2013	Jan. 23, 2012
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Rent Expense	$ 9.9us-gaap_LeaseAndRentalExpense	$ 10.1us-gaap_LeaseAndRentalExpense	$ 10.6us-gaap_LeaseAndRentalExpense
Significant Commitment, Remaining Minimum Amount Committed	213.6
Non-cancelable license obligations	59.5us-gaap_PurchaseObligation
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	2
Income Taxes Paid				18.0us-gaap_IncomeTaxesPaid
Tax Return Examination Years 2002 through 2004 [Member]
Loss Contingencies [Line Items]
Liability (refund) adjustment from settlement with taxing authority							19.8
Tax Return Examination Years 2004 through 2007 [Member]
Loss Contingencies [Line Items]
Liability (refund) adjustment from settlement with taxing authority								(6.8)
Tax Return Examination Years 2005 through 2007 [Member]
Loss Contingencies [Line Items]
Liability (refund) adjustment from settlement with taxing authority									$ 21.4
PLL Technologies, Inc. [Member]
Loss Contingencies [Line Items]
Loss Contingency, New Claims Filed, Number					1
PACT XPP Technologies, AG [Member]
Loss Contingencies [Line Items]
Loss Contingency, New Claims Filed, Number						1