v2.4.0.6
FAIR VALUE MEASUREMENTS (Assets and Liabilities Measured on Recurring Basis) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Apr. 02, 2011
Assets      
Foreign exchange forward contracts $ 0.1    
Liabilities      
Contingent consideration   25.6  
Fair Value, Inputs, Level 1 [Member]
     
Assets      
Investments 50.2 50.2 175.4
Foreign exchange forward contracts 0 0.6 0
Liabilities      
Foreign currency exchange forward contracts 0.1 0 0
Revolving credit facility 236.0 236.0 236.0
Contingent consideration 0 0 0
Investments Breakdown [Abstract]      
Cash invested in money market deposit account 50.2 50.2 50.4
Cash invested in U.S. Treasury Bills or Notes     125.0
Fair Value, Inputs, Level 2 [Member]
     
Assets      
Investments 0 0 0
Foreign exchange forward contracts 0 0 0
Liabilities      
Foreign currency exchange forward contracts 0 0 0
Revolving credit facility 0 0 0
Contingent consideration 0 0 0
Fair Value, Inputs, Level 3 [Member]
     
Assets      
Investments 0 0 0
Foreign exchange forward contracts 0 0 0
Liabilities      
Foreign currency exchange forward contracts 0 0 0
Revolving credit facility 0 0 0
Contingent consideration $ 26.8 $ 25.6 $ 0