Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS (Details)

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DERIVATIVE INSTRUMENTS (Details) (USD $)
In Millions, unless otherwise specified
 5 Months Ended
Dec. 31, 2012
2.875% Convertible Senior Notes Due 2027 [Member]
Dec. 31, 2011
2.875% Convertible Senior Notes Due 2027 [Member]
Dec. 31, 2012
Forward Currency Contracts [Member]
Not Designated as Hedging Instrument [Member]
Dec. 31, 2011
Forward Currency Contracts [Member]
Not Designated as Hedging Instrument [Member]
May 31, 2010
Interest Rate Swap [Member]
Dec. 31, 2012
Interest Rate Swaps and Cap Agreements [Member]
Some Designated as Hedging Instrument [Member]
Dec. 31, 2011
Interest Rate Swaps and Cap Agreements [Member]
Some Designated as Hedging Instrument [Member]
Derivative [Line Items]              
Notional amounts     $ 100.0 $ 32.5   $ 133.8 $ 131.0
Number of instruments settled         3    
Number of settled instruments designated as cash flow hedges         1    
Interest rate swap settlement expense         $ 4.5    
Debt Instrument [Line Items]              
Debt instrument stated interest rate (in hundredths) 2.875% 2.875%