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DERIVATIVES Part I (Details)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended 18 Months Ended 3 Months Ended 4 Months Ended 5 Months Ended 6 Months Ended
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Not Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Not Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Interest Rate Swaps [Member]
Prepaid Expenses and Other Current Assets [Member]
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Interest Rate Swaps [Member]
Other Long-term Assets [Member]
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Interest Rate Swaps [Member]
Other Long-term Liabilities [Member]
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Interest Rate Swaps [Member]
Other Long-term Liabilities [Member]
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Foreign Exchange Contract [Member]
Prepaid Expenses and Other Current Assets [Member]
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Foreign Exchange Contract [Member]
Prepaid Expenses and Other Current Assets [Member]
Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Interest Rate Cap [Member]
Other Long-term Assets [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2012
Interest Rate Cap [Member]
Other Long-term Assets [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
Dec. 31, 2013
Canadian Dollar U.S. Dollar Forward Contracts [Member]
USD ($)
Dec. 31, 2012
Canadian Dollar U.S. Dollar Forward Contracts [Member]
USD ($)
Dec. 31, 2011
Canadian Dollar U.S. Dollar Forward Contracts [Member]
USD ($)
Dec. 31, 2012
British Pound - U.S. Dollar Forward Exchange Contracts [Member]
GBP (£)
Dec. 31, 2013
Interest Rate Swap [Member]
USD ($)
Dec. 31, 2012
Interest Rate Swap [Member]
USD ($)
Dec. 31, 2011
Interest Rate Swap [Member]
USD ($)
Dec. 31, 2013
Interest Rate Cap [Member]
USD ($)
Dec. 31, 2012
Interest Rate Cap [Member]
USD ($)
Dec. 31, 2011
Interest Rate Cap [Member]
USD ($)
Jun. 08, 2012
Interest Rate Swaps on 2014 Notes [Member]
USD ($)
Dec. 17, 2010
Interest Rate Swaps on 2014 Notes [Member]
USD ($)
Transaction
May 31, 2012
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Dec. 31, 2013
Interest Rate Swaps on 2019 Notes [Member]
Dec. 31, 2013
Interest Rate Swaps on 2019 Notes [Member]
Dec. 31, 2013
Interest Rate Swaps on 2019 Notes [Member]
Aug. 03, 2011
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Dec. 31, 2013
Interest Rate Swaps on 2019 Notes [Member]
Sep. 09, 2013
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Transaction
Aug. 21, 2013
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Transaction
Aug. 15, 2013
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Transaction
Jul. 19, 2013
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Transaction
Mar. 21, 2012
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Transaction
Mar. 07, 2011
Interest Rate Swaps on 2019 Notes [Member]
USD ($)
Transaction
Derivative [Line Items]                                                                              
Number of interest rate swap transactions                                                     3             3 3 3 3 3 3
Amount of hedged item related to derivative                                                     $ 250.0             $ 70.0 $ 75.0 $ 90.0 $ 90.0 $ 150.0 $ 150.0
Fixed interest rate related to derivative (in hundredths)                                                     5.125%             6.875% 6.875% 6.875% 6.875% 6.875% 6.875%
Variable interest rate related to derivative                                                   three-month LIBOR   one-month LIBOR Six-month LIBOR Six-month LIBOR Six-month LIBOR three-month LIBOR Six-month LIBOR            
Percentage point added to the reference rate (in hundredths)                                                   3.46%   5.195% 4.2425% 4.4275% 4.5925% 3.73% 4.75%            
Notional amounts of foreign exchange contracts outstanding                               4.7 16.1 5.3 6.0                                        
Amount received upon termination of swaps                                                   5.7   3.5       8.1              
Increase in interest expense related to ineffectiveness of swap 1.1 1.5 2.1                                 1.1 1.3 1.0 0 0.2 1.1                            
Derivatives, Fair Value [Line Items]                                                                              
Derivative assets       1.1 0.2 0 0    1.1     0 0.2 0 0                                                
Derivative Liabilities       $ 1.6            $ 1.6