Fair Value Of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]

Fair Value Of Assets And Liabilities Measured On Recurring Basis

The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2011 and December 31, 2010 (in millions):

	Balance as of September 30, 2011		Quoted Prices in Active Markets (Level 1)		Balance as of December 31, 2010		Quoted Prices in Active Markets (Level 1)
Description
Assets:
Cash and cash equivalents:
Demand and time deposits	$	396.7	$	396.7	$	309.4	$	309.4
Money market funds	—		—		46.1		46.1
Treasuries	213.9		213.9		267.8		267.8
Commercial paper	48.7		48.7		—		—
Other Current Assets
Foreign currency exchange contracts	$	1.5	$	1.5	$	1.1	$	1.1
Liabilities:
Foreign currency exchange contracts	$	—	$	—	$	0.6	$	0.6

Carrying Amounts And Fair Values Of Long-Term Borrowings

The carrying amounts and fair values of the Company’s long-term borrowings (excluding capital lease obligations, real estate mortgages and equipment financing) at September 30, 2011 and December 31, 2010 are as follows (in millions):

	September 30, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Long-term debt, including current portion
Convertible Notes - Level 1	$	559.5	$	660.9	$	579.7	$	818.0
Long-term debt - Level 3	$	523.1	$	490.6	$	160.7	$	155.1