Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS (Details)

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DERIVATIVE INSTRUMENTS (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
   
Derivative Instrument [Line Items]    
Notional amounts $ 159.2 $ 32.5
Interest Rate Swaps and Cap Agreements [Member] | Designated as Hedging Instrument [Member]
   
Derivative Instrument [Line Items]    
Notional amounts $ 141.8 $ 131.0
Convertible Senior Notes Due 2027 2.875 percent [Member]
   
Derivative Instrument [Line Items]    
Debt instrument stated interest rate (in hundredths)   2.875%