OTHER ASSETS (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Other Assets [Abstract]
Investments in non-consolidated affiliates	$ 29.1	$ 27.6	$ 27.3
Intangible assets (less accumulated amortization of $9.8 million, $6.9 million and $6.2 million, respectively	156.4	19.2	19.6
Deferred debt issuance costs	18.0	14.2	14.7
Interest rate swaps	8.9	13.8	14.3
Other	11.2	10.8	10.9
Other assets	223.6	85.6	86.8
Intangible Assets accumulated amortization	$ 9.8	$ 6.9	$ 6.2