GOODWILL AND INTANGIBLES GOODWILL AND INTANGIBLES (Detail Textuals) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Oct. 05, 2015
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Amortization	$ 25.8	$ 14.6	$ 14.6
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	59.3
Finite-Lived Intangible Assets, Amortization Expense, Year Two	59.2
Finite-Lived Intangible Assets, Amortization Expense, Year Three	59.2
Finite-Lived Intangible Assets, Amortization Expense, Year Four	59.2
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 59.2
DCP Business
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Intangible assets				$ 582.3