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DERIVATIVES (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2011
Interest Rate Swap Contracts [Member]
Designated as Hedging Instrument [Member]
Interest Expense [Member]
Dec. 31, 2010
Interest Rate Swap Contracts [Member]
Designated as Hedging Instrument [Member]
Interest Expense [Member]
Dec. 31, 2009
Interest Rate Swap Contracts [Member]
Designated as Hedging Instrument [Member]
Interest Expense [Member]
Dec. 31, 2011
Foreign Exchange Contracts [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2010
Foreign Exchange Contracts [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2009
Foreign Exchange Contracts [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2011
Foreign Exchange Contracts [Member]
Designated as Hedging Instrument [Member]
Cost of Sales [Member]
Dec. 31, 2010
Foreign Exchange Contracts [Member]
Designated as Hedging Instrument [Member]
Cost of Sales [Member]
Dec. 31, 2009
Foreign Exchange Contracts [Member]
Designated as Hedging Instrument [Member]
Cost of Sales [Member]
Dec. 31, 2011
Interest Rate Cap Contract [Member]
Not Designated as Hedging Instrument [Member]
Interest Expense [Member]
Dec. 31, 2010
Interest Rate Cap Contract [Member]
Not Designated as Hedging Instrument [Member]
Interest Expense [Member]
Dec. 31, 2009
Interest Rate Cap Contract [Member]
Not Designated as Hedging Instrument [Member]
Interest Expense [Member]
Dec. 31, 2011
Designated as Hedging Instrument [Member]
Dec. 31, 2010
Designated as Hedging Instrument [Member]
Dec. 31, 2011
Designated as Hedging Instrument [Member]
Interest Rate Swap Contracts [Member]
Other Long Term Assets [Member]
Dec. 31, 2010
Designated as Hedging Instrument [Member]
Interest Rate Swap Contracts [Member]
Other Long-term Liabilities [Member]
Dec. 31, 2011
Designated as Hedging Instrument [Member]
Foreign Exchange Contracts [Member]
Prepaid expenses and other current assets [Member]
Dec. 31, 2010
Designated as Hedging Instrument [Member]
Foreign Exchange Contracts [Member]
Accrued Expenses and Other Current Liabilities [Member]
Dec. 31, 2011
Not Designated as Hedging Instrument [Member]
Dec. 31, 2010
Not Designated as Hedging Instrument [Member]
Dec. 31, 2011
Not Designated as Hedging Instrument [Member]
Interest Rate Cap Contract [Member]
Other Long Term Assets [Member]
Dec. 31, 2010
Not Designated as Hedging Instrument [Member]
Interest Rate Cap Contract [Member]
Other Long Term Assets [Member]
Dec. 31, 2010
Interest Rate Swaps on 2014 Notes [Member]
Jun. 01, 2010
Interest Rate Swaps on 2014 Notes [Member]
Integer
Dec. 31, 2010
Additional Swaps on 2014 Notes [Member]
Dec. 17, 2010
Additional Swaps on 2014 Notes [Member]
Integer
Dec. 31, 2011
Interest Rate Swaps on 2019 Notes [Member]
Mar. 07, 2011
Interest Rate Swaps on 2019 Notes [Member]
Integer
Derivative [Line Items]                                                              
Number of interest rate swap transactions                                                     3   3   3
Notional amount                                                     $ 250.0       $ 150.0
Fixed interest rate related to derivative (in hundredths)                                                     5.125%   5.125%   6.875%
Variable interest rate related to derivative                                                   three-month LIBOR rates (that are reset on the 15th day of each calendar quarter) plus 2.92%   three-month LIBOR rates (which are reset on the 15th day of each calendar quarter) plus 3.46%   three-month LIBOR rates (which are reset on the 15th day of each calendar quarter) plus 3.73%  
Cost of interest rate cap                                                     2.7        
Interest rate cap (in hundredths)                                                     5.00%        
Amount received upon termination of swaps                                                   10.2       8.1  
Change in interest expense related to effectiveness of swaps 1.0 1.0                                                          
Change in interest expense related to changes in the fair value 1.1 1.4                                                          
Notional amount of Canadian Dollar - U.S. Dollar forward exchange contracts 5.3 20.3 8.6                                                        
Fair value of derivative instruments [Abstract]                                                              
Fair value, derivative assets                               5.6   5.5   0.1   0.2 1.3 0.2 1.3            
Fair value, derivative liabilities                                 1.1   0.6   0.5                    
Effect of derivatives on the Statement of Operations [Abstract]                                                              
Amount of Pretax Gain (Loss) due to Ineffectiveness Recognized in Income       (1.0) (1.0) 0                                                  
Amount of Pretax (Loss) Gain Recognized in Other Comprehensive Income             (0.3) (0.3) (1.1)                                            
Amount of Pretax Loss Reclassified from Other Comprehensive Income into Income                   (0.8) (0.1) (0.6)                                      
Amount of Pretax Gain (Loss) Recognized in Income                         $ (1.1) $ (1.4) $ 0