SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Debt Conversion [Line Items]
Fair Value of Assets Acquired	$ 0.0	$ 9.0
Capital Expenditures Incurred but Not yet Paid	4.5	2.4
Cash paid during period for:
Interest	71.8	71.6
Income taxes, net of refunds	11.1	32.9
Disclosure of non-cash financing and investing activities:
Restricted Stock Awards And Performance Shares Surrendered	20.7	15.1
Other Significant Noncash Transaction, Value of Consideration Given	$ 27.0	$ 11.9