GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 20.6	$ 21.5	$ 42.0	$ 43.4
Finite-Lived Intangible Assets, Future Amortization Expense
Estimated amortization expense, 2012			42.2
Estimated amortization expense, 2013			78.9
Estimated amortization expense, 2014			76.1
Estimated amortization expense, 2015			72.6
Estimated amortization expense, 2016			67.2
Estimated amortization expense, Thereafter			526.6
Canadian licenses, value	$ 725.5		$ 725.5		$ 722.2