Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table sets forth our cash flow hedges which are measured at fair value on a recurring basis.

	December 31, 2012							December 31, 2011
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Unobservable Inputs (Level 3)		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Unobservable Inputs (Level 3)
	(In millions)
Derivative assets
Foreign currency option contracts	$	—	$	5.5		$	—	$	—	$	2.3		$	—
Foreign currency forward contracts	—		—			—		—		1.1			—
Derivative liabilities
Foreign currency option contracts	—		(1.2		)	—		—		(1.4		)	—
Foreign currency forward contracts	—		(0.1		)	—		—		—			—
Total	$	—	$	4.2		$	—	$	—	$	2.0		$	—

Schedule of Derivative Instruments

The notional amounts and fair values of our derivative instruments recorded in other current assets and other current liabilities in the Consolidated Financial Statements were as follows:

	December 31, 2012							December 31, 2011
			Fair Value							Fair Value
	Notional Amount		Other Current Assets		Other Current Liabilities			Notional Amount		Other Current Assets		Other Current Liabilities
	(In millions)
Cash flow hedges designated as hedging instruments	$	248.6	$	5.5	$	(1.3	)	$	208.2	$	3.4	$	(1.4	)
Other hedges not receiving hedge accounting	46.5		—		—			32.9		—		—
Total	$	295.1	$	5.5	$	(1.3	)	$	241.1	$	3.4	$	(1.4	)

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The following table sets forth a summary of changes in the fair value of our contingent consideration Level 3 liabilities:

	MXI Security			Encryptx			Total
	(In millions)
Balance as of December 31, 2010	$	—		$	—		$	—
Addition from acquisitions	9.2			1.3			10.5
Balance as of December 31, 2011	9.2			1.3			10.5
Fair value adjustment	(8.6		)	—			(8.6		)
Payments	—			(0.7		)	(0.7		)
Balance as of December 31, 2012	$	0.6		$	0.6		$	1.2