GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 20.5	$ 20.6	$ 40.0	$ 42.0
Finite-Lived Intangible Assets, Future Amortization Expense
Estimated amortization expense, 2012	44.5		44.5
Estimated amortization expense, 2013	80.7		80.7
Estimated amortization expense, 2014	77.2		77.2
Estimated amortization expense, 2015	71.9		71.9
Estimated amortization expense, 2016	64.5		64.5
Estimated amortization expense, Thereafter	530.1		530.1
Canadian licenses, value	$ 701.4		$ 701.4		$ 743.3